forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			563 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			563 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
// Test instrumentation of general constructs in C.
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-general.c %s -o - -emit-llvm -fprofile-instrument=clang | FileCheck -check-prefix=PGOGEN %s
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// RUN: llvm-profdata merge %S/Inputs/c-general.proftext -o %t.profdata
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-general.c %s -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata | FileCheck -check-prefix=PGOUSE %s
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-general.c %s -o - -emit-llvm -fprofile-instrument-use-path=%S/Inputs/c-general.profdata.v3 | FileCheck -check-prefix=PGOUSE %s
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// Also check compatibility with older profiles.
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-general.c %s -o - -emit-llvm -fprofile-instrument-use-path=%S/Inputs/c-general.profdata.v1 | FileCheck -check-prefix=PGOUSE %s
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// PGOGEN: @[[SLC:__profc_simple_loops]] = private global [4 x i64] zeroinitializer
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// PGOGEN: @[[IFC:__profc_conditionals]] = private global [11 x i64] zeroinitializer
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// PGOGEN: @[[EEC:__profc_early_exits]] = private global [9 x i64] zeroinitializer
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// PGOGEN: @[[JMC:__profc_jumps]] = private global [22 x i64] zeroinitializer
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// PGOGEN: @[[SWC:__profc_switches]] = private global [19 x i64] zeroinitializer
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// PGOGEN: @[[BSC:__profc_big_switch]] = private global [17 x i64] zeroinitializer
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// PGOGEN: @[[BOC:__profc_boolean_operators]] = private global [8 x i64] zeroinitializer
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// PGOGEN: @[[BLC:__profc_boolop_loops]] = private global [9 x i64] zeroinitializer
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// PGOGEN: @[[COC:__profc_conditional_operator]] = private global [3 x i64] zeroinitializer
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// PGOGEN: @[[DFC:__profc_do_fallthrough]] = private global [4 x i64] zeroinitializer
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// PGOGEN: @[[MAC:__profc_main]] = private global [1 x i64] zeroinitializer
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// PGOGEN: @[[STC:__profc_c_general.c_static_func]] = private global [2 x i64] zeroinitializer
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// PGOGEN-LABEL: @simple_loops()
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// PGOUSE-LABEL: @simple_loops()
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// PGOGEN: store {{.*}} @[[SLC]], i64 0, i64 0
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void simple_loops() {
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  int i;
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  // PGOGEN: store {{.*}} @[[SLC]], i64 0, i64 1
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  // PGOUSE: br {{.*}} !prof ![[SL1:[0-9]+]]
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  for (i = 0; i < 100; ++i) {
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  }
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  // PGOGEN: store {{.*}} @[[SLC]], i64 0, i64 2
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  // PGOUSE: br {{.*}} !prof ![[SL2:[0-9]+]]
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  while (i > 0)
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    i--;
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  // PGOGEN: store {{.*}} @[[SLC]], i64 0, i64 3
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  // PGOUSE: br {{.*}} !prof ![[SL3:[0-9]+]]
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  do {} while (i++ < 75);
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  // PGOGEN-NOT: store {{.*}} @[[SLC]],
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  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
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}
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// PGOGEN-LABEL: @conditionals()
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// PGOUSE-LABEL: @conditionals()
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// PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 0
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void conditionals() {
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  // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 1
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  // PGOUSE: br {{.*}} !prof ![[IF1:[0-9]+]]
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  for (int i = 0; i < 100; ++i) {
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    // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 2
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    // PGOUSE: br {{.*}} !prof ![[IF2:[0-9]+]]
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    if (i % 2) {
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      // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 3
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      // PGOUSE: br {{.*}} !prof ![[IF3:[0-9]+]]
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      if (i) {}
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    // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 4
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    // PGOUSE: br {{.*}} !prof ![[IF4:[0-9]+]]
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    } else if (i % 3) {
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      // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 5
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      // PGOUSE: br {{.*}} !prof ![[IF5:[0-9]+]]
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      if (i) {}
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    } else {
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      // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 6
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      // PGOUSE: br {{.*}} !prof ![[IF6:[0-9]+]]
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      if (i) {}
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    }
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    // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 8
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    // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 7
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    // PGOUSE: br {{.*}} !prof ![[IF7:[0-9]+]]
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    if (1 && i) {}
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    // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 10
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    // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 9
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    // PGOUSE: br {{.*}} !prof ![[IF8:[0-9]+]]
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    if (0 || i) {}
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  }
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  // PGOGEN-NOT: store {{.*}} @[[IFC]],
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  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
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}
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// PGOGEN-LABEL: @early_exits()
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// PGOUSE-LABEL: @early_exits()
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// PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 0
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void early_exits() {
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  int i = 0;
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  // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 1
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  // PGOUSE: br {{.*}} !prof ![[EE1:[0-9]+]]
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  if (i) {}
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  // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 2
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  // PGOUSE: br {{.*}} !prof ![[EE2:[0-9]+]]
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  while (i < 100) {
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    i++;
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    // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 3
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    // PGOUSE: br {{.*}} !prof ![[EE3:[0-9]+]]
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    if (i > 50)
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      break;
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    // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 4
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    // PGOUSE: br {{.*}} !prof ![[EE4:[0-9]+]]
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    if (i % 2)
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      continue;
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  }
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  // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 5
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  // PGOUSE: br {{.*}} !prof ![[EE5:[0-9]+]]
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  if (i) {}
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  // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 6
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  do {
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    // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 7
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    // PGOUSE: br {{.*}} !prof ![[EE6:[0-9]+]]
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    if (i > 75)
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      return;
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    else
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      i++;
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  // PGOUSE: br {{.*}} !prof ![[EE7:[0-9]+]]
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  } while (i < 100);
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  // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 8
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  // Never reached -> no weights
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  if (i) {}
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  // PGOGEN-NOT: store {{.*}} @[[EEC]],
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  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
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}
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// PGOGEN-LABEL: @jumps()
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// PGOUSE-LABEL: @jumps()
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// PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 0
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void jumps() {
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  int i;
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 1
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  // PGOUSE: br {{.*}} !prof ![[JM1:[0-9]+]]
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  for (i = 0; i < 2; ++i) {
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    goto outofloop;
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    // Never reached -> no weights
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    if (i) {}
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  }
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// PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 3
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outofloop:
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 4
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  // PGOUSE: br {{.*}} !prof ![[JM2:[0-9]+]]
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  if (i) {}
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  goto loop1;
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 5
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  // PGOUSE: br {{.*}} !prof ![[JM3:[0-9]+]]
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  while (i) {
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 6
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  loop1:
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    // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 7
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    // PGOUSE: br {{.*}} !prof ![[JM4:[0-9]+]]
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    if (i) {}
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  }
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  goto loop2;
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// PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 8
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first:
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// PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 9
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second:
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// PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 10
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third:
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  i++;
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 11
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  // PGOUSE: br {{.*}} !prof ![[JM5:[0-9]+]]
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  if (i < 3)
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    goto loop2;
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 12
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  // PGOUSE: br {{.*}} !prof ![[JM6:[0-9]+]]
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  while (i < 3) {
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 13
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  loop2:
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    // PGOUSE: switch {{.*}} [
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    // PGOUSE: ], !prof ![[JM7:[0-9]+]]
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    switch (i) {
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    // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 15
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    case 0:
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      goto first;
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    // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 16
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    case 1:
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      goto second;
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    // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 17
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    case 2:
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      goto third;
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    }
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    // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 14
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  }
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 18
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  // PGOUSE: br {{.*}} !prof ![[JM8:[0-9]+]]
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  for (i = 0; i < 10; ++i) {
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    goto withinloop;
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    // never reached -> no weights
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    if (i) {}
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  // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 20
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  withinloop:
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    // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 21
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    // PGOUSE: br {{.*}} !prof ![[JM9:[0-9]+]]
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    if (i) {}
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  }
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  // PGOGEN-NOT: store {{.*}} @[[JMC]],
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  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
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}
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// PGOGEN-LABEL: @switches()
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// PGOUSE-LABEL: @switches()
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// PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 0
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void switches() {
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  static int weights[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5};
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  // No cases -> no weights
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  switch (weights[0]) {
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  // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 2
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  default:
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    break;
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  }
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  // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 1
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  // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 3
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  // PGOUSE: br {{.*}} !prof ![[SW1:[0-9]+]]
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  for (int i = 0, len = sizeof(weights) / sizeof(weights[0]); i < len; ++i) {
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    // PGOUSE: switch {{.*}} [
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    // PGOUSE: ], !prof ![[SW2:[0-9]+]]
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    switch (i[weights]) {
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    // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 5
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    case 1:
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      // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 6
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      // PGOUSE: br {{.*}} !prof ![[SW3:[0-9]+]]
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      if (i) {}
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      // fallthrough
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    // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 7
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    case 2:
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      // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 8
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      // PGOUSE: br {{.*}} !prof ![[SW4:[0-9]+]]
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      if (i) {}
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      break;
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    // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 9
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    case 3:
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      // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 10
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      // PGOUSE: br {{.*}} !prof ![[SW5:[0-9]+]]
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      if (i) {}
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      continue;
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    // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 11
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    case 4:
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      // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 12
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      // PGOUSE: br {{.*}} !prof ![[SW6:[0-9]+]]
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      if (i) {}
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      // PGOUSE: switch {{.*}} [
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      // PGOUSE: ], !prof ![[SW7:[0-9]+]]
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      switch (i) {
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      // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 14
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      case 6 ... 9:
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        // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 15
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        // PGOUSE: br {{.*}} !prof ![[SW8:[0-9]+]]
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        if (i) {}
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        continue;
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      }
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      // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 13
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    // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 16
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    default:
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      // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 17
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      // PGOUSE: br {{.*}} !prof ![[SW9:[0-9]+]]
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      if (i == len - 1)
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        return;
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    }
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    // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 4
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  }
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  // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 18
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  // Never reached -> no weights
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  if (weights[0]) {}
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  // PGOGEN-NOT: store {{.*}} @[[SWC]],
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  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
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}
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// PGOGEN-LABEL: @big_switch()
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// PGOUSE-LABEL: @big_switch()
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// PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 0
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void big_switch() {
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  // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 1
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  // PGOUSE: br {{.*}} !prof ![[BS1:[0-9]+]]
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  for (int i = 0; i < 32; ++i) {
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    // PGOUSE: switch {{.*}} [
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    // PGOUSE: ], !prof ![[BS2:[0-9]+]]
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    switch (1 << i) {
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    // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 3
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    case (1 << 0):
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      // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 4
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      // PGOUSE: br {{.*}} !prof ![[BS3:[0-9]+]]
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      if (i) {}
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      // fallthrough
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    // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 5
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    case (1 << 1):
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      // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 6
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      // PGOUSE: br {{.*}} !prof ![[BS4:[0-9]+]]
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      if (i) {}
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      break;
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    // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 7
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    case (1 << 2) ... (1 << 12):
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      // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 8
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      // PGOUSE: br {{.*}} !prof ![[BS5:[0-9]+]]
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      if (i) {}
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      break;
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    // The branch for the large case range above appears after the case body
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    // PGOUSE: br {{.*}} !prof ![[BS6:[0-9]+]]
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    // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 9
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    case (1 << 13):
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      // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 10
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      // PGOUSE: br {{.*}} !prof ![[BS7:[0-9]+]]
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      if (i) {}
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      break;
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    // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 11
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    case (1 << 14) ... (1 << 28):
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      // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 12
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      // PGOUSE: br {{.*}} !prof ![[BS8:[0-9]+]]
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      if (i) {}
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      break;
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    // The branch for the large case range above appears after the case body
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    // PGOUSE: br {{.*}} !prof ![[BS9:[0-9]+]]
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    // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 13
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    case (1 << 29) ... ((1 << 29) + 1):
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      // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 14
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      // PGOUSE: br {{.*}} !prof ![[BS10:[0-9]+]]
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      if (i) {}
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      break;
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    // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 15
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    default:
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      // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 16
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      // PGOUSE: br {{.*}} !prof ![[BS11:[0-9]+]]
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      if (i) {}
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      break;
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    }
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    // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 2
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  }
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 | 
						|
  // PGOGEN-NOT: store {{.*}} @[[BSC]],
 | 
						|
  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
 | 
						|
  // PGOUSE: ret void
 | 
						|
}
 | 
						|
 | 
						|
// PGOGEN-LABEL: @boolean_operators()
 | 
						|
// PGOUSE-LABEL: @boolean_operators()
 | 
						|
// PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 0
 | 
						|
void boolean_operators() {
 | 
						|
  int v;
 | 
						|
  // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 1
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BO1:[0-9]+]]
 | 
						|
  for (int i = 0; i < 100; ++i) {
 | 
						|
    // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 2
 | 
						|
    // PGOUSE: br {{.*}} !prof ![[BO2:[0-9]+]]
 | 
						|
    v = i % 3 || i;
 | 
						|
 | 
						|
    // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 3
 | 
						|
    // PGOUSE: br {{.*}} !prof ![[BO3:[0-9]+]]
 | 
						|
    v = i % 3 && i;
 | 
						|
 | 
						|
    // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 5
 | 
						|
    // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 4
 | 
						|
    // PGOUSE: br {{.*}} !prof ![[BO4:[0-9]+]]
 | 
						|
    // PGOUSE: br {{.*}} !prof ![[BO5:[0-9]+]]
 | 
						|
    v = i % 3 || i % 2 || i;
 | 
						|
 | 
						|
    // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 7
 | 
						|
    // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 6
 | 
						|
    // PGOUSE: br {{.*}} !prof ![[BO6:[0-9]+]]
 | 
						|
    // PGOUSE: br {{.*}} !prof ![[BO7:[0-9]+]]
 | 
						|
    v = i % 2 && i % 3 && i;
 | 
						|
  }
 | 
						|
 | 
						|
  // PGOGEN-NOT: store {{.*}} @[[BOC]],
 | 
						|
  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
 | 
						|
}
 | 
						|
 | 
						|
// PGOGEN-LABEL: @boolop_loops()
 | 
						|
// PGOUSE-LABEL: @boolop_loops()
 | 
						|
// PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 0
 | 
						|
void boolop_loops() {
 | 
						|
  int i = 100;
 | 
						|
 | 
						|
  // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 2
 | 
						|
  // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 1
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BL1:[0-9]+]]
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BL2:[0-9]+]]
 | 
						|
  while (i && i > 50)
 | 
						|
    i--;
 | 
						|
 | 
						|
  // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 4
 | 
						|
  // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 3
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BL3:[0-9]+]]
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BL4:[0-9]+]]
 | 
						|
  while ((i % 2) || (i > 0))
 | 
						|
    i--;
 | 
						|
 | 
						|
  // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 6
 | 
						|
  // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 5
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BL5:[0-9]+]]
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BL6:[0-9]+]]
 | 
						|
  for (i = 100; i && i > 50; --i);
 | 
						|
 | 
						|
  // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 8
 | 
						|
  // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 7
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BL7:[0-9]+]]
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[BL8:[0-9]+]]
 | 
						|
  for (; (i % 2) || (i > 0); --i);
 | 
						|
 | 
						|
  // PGOGEN-NOT: store {{.*}} @[[BLC]],
 | 
						|
  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
 | 
						|
}
 | 
						|
 | 
						|
// PGOGEN-LABEL: @conditional_operator()
 | 
						|
// PGOUSE-LABEL: @conditional_operator()
 | 
						|
// PGOGEN: store {{.*}} @[[COC]], i64 0, i64 0
 | 
						|
void conditional_operator() {
 | 
						|
  int i = 100;
 | 
						|
 | 
						|
  // PGOGEN: store {{.*}} @[[COC]], i64 0, i64 1
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[CO1:[0-9]+]]
 | 
						|
  int j = i < 50 ? i : 1;
 | 
						|
 | 
						|
  // PGOGEN: store {{.*}} @[[COC]], i64 0, i64 2
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[CO2:[0-9]+]]
 | 
						|
  int k = i ?: 0;
 | 
						|
 | 
						|
  // PGOGEN-NOT: store {{.*}} @[[COC]],
 | 
						|
  // PGOUSE-NOT: br {{.*}} !prof ![0-9]+
 | 
						|
}
 | 
						|
 | 
						|
// PGOGEN-LABEL: @do_fallthrough()
 | 
						|
// PGOUSE-LABEL: @do_fallthrough()
 | 
						|
// PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 0
 | 
						|
void do_fallthrough() {
 | 
						|
  // PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 1
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[DF1:[0-9]+]]
 | 
						|
  for (int i = 0; i < 10; ++i) {
 | 
						|
    int j = 0;
 | 
						|
    // PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 2
 | 
						|
    do {
 | 
						|
      // The number of exits out of this do-loop via the break statement
 | 
						|
      // exceeds the counter value for the loop (which does not include the
 | 
						|
      // fallthrough count). Make sure that does not violate any assertions.
 | 
						|
      // PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 3
 | 
						|
      // PGOUSE: br {{.*}} !prof ![[DF3:[0-9]+]]
 | 
						|
      if (i < 8) break;
 | 
						|
      j++;
 | 
						|
    // PGOUSE: br {{.*}} !prof ![[DF2:[0-9]+]]
 | 
						|
    } while (j < 2);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// PGOGEN-LABEL: @static_func()
 | 
						|
// PGOUSE-LABEL: @static_func()
 | 
						|
// PGOGEN: store {{.*}} @[[STC]], i64 0, i64 0
 | 
						|
static void static_func() {
 | 
						|
  // PGOGEN: store {{.*}} @[[STC]], i64 0, i64 1
 | 
						|
  // PGOUSE: br {{.*}} !prof ![[ST1:[0-9]+]]
 | 
						|
  for (int i = 0; i < 10; ++i) {
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[SL1]] = !{!"branch_weights", i32 101, i32 2}
 | 
						|
// PGOUSE-DAG: ![[SL2]] = !{!"branch_weights", i32 101, i32 2}
 | 
						|
// PGOUSE-DAG: ![[SL3]] = !{!"branch_weights", i32 76, i32 2}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[EE1]] = !{!"branch_weights", i32 1, i32 2}
 | 
						|
// PGOUSE-DAG: ![[EE2]] = !{!"branch_weights", i32 52, i32 1}
 | 
						|
// PGOUSE-DAG: ![[EE3]] = !{!"branch_weights", i32 2, i32 51}
 | 
						|
// PGOUSE-DAG: ![[EE4]] = !{!"branch_weights", i32 26, i32 26}
 | 
						|
// PGOUSE-DAG: ![[EE5]] = !{!"branch_weights", i32 2, i32 1}
 | 
						|
// PGOUSE-DAG: ![[EE6]] = !{!"branch_weights", i32 2, i32 26}
 | 
						|
// PGOUSE-DAG: ![[EE7]] = !{!"branch_weights", i32 26, i32 1}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[IF1]] = !{!"branch_weights", i32 101, i32 2}
 | 
						|
// PGOUSE-DAG: ![[IF2]] = !{!"branch_weights", i32 51, i32 51}
 | 
						|
// PGOUSE-DAG: ![[IF3]] = !{!"branch_weights", i32 51, i32 1}
 | 
						|
// PGOUSE-DAG: ![[IF4]] = !{!"branch_weights", i32 34, i32 18}
 | 
						|
// PGOUSE-DAG: ![[IF5]] = !{!"branch_weights", i32 34, i32 1}
 | 
						|
// PGOUSE-DAG: ![[IF6]] = !{!"branch_weights", i32 17, i32 2}
 | 
						|
// PGOUSE-DAG: ![[IF7]] = !{!"branch_weights", i32 100, i32 2}
 | 
						|
// PGOUSE-DAG: ![[IF8]] = !{!"branch_weights", i32 100, i32 2}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[JM1]] = !{!"branch_weights", i32 2, i32 1}
 | 
						|
// PGOUSE-DAG: ![[JM2]] = !{!"branch_weights", i32 1, i32 2}
 | 
						|
// PGOUSE-DAG: ![[JM3]] = !{!"branch_weights", i32 1, i32 2}
 | 
						|
// PGOUSE-DAG: ![[JM4]] = !{!"branch_weights", i32 1, i32 2}
 | 
						|
// PGOUSE-DAG: ![[JM5]] = !{!"branch_weights", i32 3, i32 2}
 | 
						|
// PGOUSE-DAG: ![[JM6]] = !{!"branch_weights", i32 1, i32 2}
 | 
						|
// PGOUSE-DAG: ![[JM7]] = !{!"branch_weights", i32 1, i32 2, i32 2, i32 2}
 | 
						|
// PGOUSE-DAG: ![[JM8]] = !{!"branch_weights", i32 11, i32 2}
 | 
						|
// PGOUSE-DAG: ![[JM9]] = !{!"branch_weights", i32 10, i32 2}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[SW1]] = !{!"branch_weights", i32 16, i32 1}
 | 
						|
// PGOUSE-DAG: ![[SW2]] = !{!"branch_weights", i32 6, i32 2, i32 3, i32 4, i32 5}
 | 
						|
// PGOUSE-DAG: ![[SW3]] = !{!"branch_weights", i32 1, i32 2}
 | 
						|
// PGOUSE-DAG: ![[SW4]] = !{!"branch_weights", i32 3, i32 2}
 | 
						|
// PGOUSE-DAG: ![[SW5]] = !{!"branch_weights", i32 4, i32 1}
 | 
						|
// PGOUSE-DAG: ![[SW6]] = !{!"branch_weights", i32 5, i32 1}
 | 
						|
// PGOUSE-DAG: ![[SW7]] = !{!"branch_weights", i32 1, i32 2, i32 2, i32 2, i32 2}
 | 
						|
// PGOUSE-DAG: ![[SW8]] = !{!"branch_weights", i32 5, i32 1}
 | 
						|
// PGOUSE-DAG: ![[SW9]] = !{!"branch_weights", i32 2, i32 5}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[BS1]] = !{!"branch_weights", i32 33, i32 2}
 | 
						|
// PGOUSE-DAG: ![[BS2]] = !{!"branch_weights", i32 29, i32 2, i32 2, i32 2, i32 2, i32 1}
 | 
						|
// PGOUSE-DAG: ![[BS3]] = !{!"branch_weights", i32 1, i32 2}
 | 
						|
// PGOUSE-DAG: ![[BS4]] = !{!"branch_weights", i32 2, i32 2}
 | 
						|
// PGOUSE-DAG: ![[BS5]] = !{!"branch_weights", i32 12, i32 1}
 | 
						|
// PGOUSE-DAG: ![[BS6]] = !{!"branch_weights", i32 12, i32 3}
 | 
						|
// PGOUSE-DAG: ![[BS7]] = !{!"branch_weights", i32 2, i32 1}
 | 
						|
// PGOUSE-DAG: ![[BS8]] = !{!"branch_weights", i32 16, i32 1}
 | 
						|
// PGOUSE-DAG: ![[BS9]] = !{!"branch_weights", i32 16, i32 14}
 | 
						|
// PGOUSE-DAG: ![[BS10]] = !{!"branch_weights", i32 2, i32 1}
 | 
						|
// PGOUSE-DAG: ![[BS11]] = !{!"branch_weights", i32 3, i32 1}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[BO1]] = !{!"branch_weights", i32 101, i32 2}
 | 
						|
// PGOUSE-DAG: ![[BO2]] = !{!"branch_weights", i32 67, i32 35}
 | 
						|
// PGOUSE-DAG: ![[BO3]] = !{!"branch_weights", i32 67, i32 35}
 | 
						|
// PGOUSE-DAG: ![[BO4]] = !{!"branch_weights", i32 67, i32 35}
 | 
						|
// PGOUSE-DAG: ![[BO5]] = !{!"branch_weights", i32 18, i32 18}
 | 
						|
// PGOUSE-DAG: ![[BO6]] = !{!"branch_weights", i32 51, i32 51}
 | 
						|
// PGOUSE-DAG: ![[BO7]] = !{!"branch_weights", i32 34, i32 18}
 | 
						|
// PGOUSE-DAG: ![[BL1]] = !{!"branch_weights", i32 52, i32 1}
 | 
						|
// PGOUSE-DAG: ![[BL2]] = !{!"branch_weights", i32 51, i32 2}
 | 
						|
// PGOUSE-DAG: ![[BL3]] = !{!"branch_weights", i32 26, i32 27}
 | 
						|
// PGOUSE-DAG: ![[BL4]] = !{!"branch_weights", i32 51, i32 2}
 | 
						|
// PGOUSE-DAG: ![[BL5]] = !{!"branch_weights", i32 52, i32 1}
 | 
						|
// PGOUSE-DAG: ![[BL6]] = !{!"branch_weights", i32 51, i32 2}
 | 
						|
// PGOUSE-DAG: ![[BL7]] = !{!"branch_weights", i32 26, i32 27}
 | 
						|
// PGOUSE-DAG: ![[BL8]] = !{!"branch_weights", i32 51, i32 2}
 | 
						|
// PGOUSE-DAG: ![[CO1]] = !{!"branch_weights", i32 1, i32 2}
 | 
						|
// PGOUSE-DAG: ![[CO2]] = !{!"branch_weights", i32 2, i32 1}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[DF1]] = !{!"branch_weights", i32 11, i32 2}
 | 
						|
// PGOUSE-DAG: ![[DF2]] = !{!"branch_weights", i32 3, i32 3}
 | 
						|
// PGOUSE-DAG: ![[DF3]] = !{!"branch_weights", i32 9, i32 5}
 | 
						|
 | 
						|
// PGOUSE-DAG: ![[ST1]] = !{!"branch_weights", i32 11, i32 2}
 | 
						|
 | 
						|
int main(int argc, const char *argv[]) {
 | 
						|
  simple_loops();
 | 
						|
  conditionals();
 | 
						|
  early_exits();
 | 
						|
  jumps();
 | 
						|
  switches();
 | 
						|
  big_switch();
 | 
						|
  boolean_operators();
 | 
						|
  boolop_loops();
 | 
						|
  conditional_operator();
 | 
						|
  do_fallthrough();
 | 
						|
  static_func();
 | 
						|
  return 0;
 | 
						|
}
 |