173 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			173 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-unknown \
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| ; RUN:  -ppc-asm-full-reg-names -mcpu=pwr9 < %s  | FileCheck %s
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| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-unknown \
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| ; RUN:  -ppc-asm-full-reg-names -mcpu=pwr9 < %s  | FileCheck %s
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| 
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| define i64 @addze1(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: addze1:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: addic [[REG1:r[0-9]+]], [[REG1]], -1
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| ; CHECK-NEXT: addze [[REG2:r[0-9]+]], [[REG2]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp ne i64 %Z, 0
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @addze2(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: addze2:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: subfic [[REG1:r[0-9]+]], [[REG1]], 0
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| ; CHECK-NEXT: addze  [[REG2:r[0-9]+]], [[REG2]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp eq i64 %Z, 0
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @addze3(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: addze3:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: addi  [[REG1:r[0-9]+]], [[REG1]], -32768
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| ; CHECK-NEXT: addic [[REG1]], [[REG1]], -1
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| ; CHECK-NEXT: addze [[REG2:r[0-9]+]], [[REG2]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp ne i64 %Z, 32768
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @addze4(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: addze4:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: addi   [[REG1:r[0-9]+]], [[REG1]], -32768
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| ; CHECK-NEXT: subfic [[REG1]], [[REG1]], 0
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| ; CHECK-NEXT: addze  [[REG2:r[0-9]+]], [[REG2]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp eq i64 %Z, 32768
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @addze5(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: addze5:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: addi  [[REG1:r[0-9]+]], [[REG1]], 32767
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| ; CHECK-NEXT: addic [[REG1]], [[REG1]], -1
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| ; CHECK-NEXT: addze [[REG2:r[0-9]+]], [[REG2]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp ne i64 %Z, -32767
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @addze6(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: addze6:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: addi   [[REG1:r[0-9]+]], [[REG1]], 32767
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| ; CHECK-NEXT: subfic [[REG1]], [[REG1]], 0
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| ; CHECK-NEXT: addze  [[REG2:r[0-9]+]], [[REG2]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp eq i64 %Z, -32767
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| ; element is out of range
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| define i64 @test1(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: test1:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: li    [[REG1:r[0-9]+]], -32768
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| ; CHECK-NEXT: xor   [[REG2:r[0-9]+]], [[REG2]], [[REG1]]
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| ; CHECK-NEXT: addic [[REG1]], [[REG2]], -1
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| ; CHECK-NEXT: subfe [[REG2]], [[REG1]], [[REG2]]
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| ; CHECK-NEXT: add   [[REG3:r[0-9]+]], [[REG2]], [[REG3]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp ne i64 %Z, -32768
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @test2(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: test2:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: li     [[REG1:r[0-9]+]], -32768
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| ; CHECK-NEXT: xor    [[REG2:r[0-9]+]], [[REG2]], [[REG1]]
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| ; CHECK-NEXT: cntlzd [[REG2]], [[REG2]]
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| ; CHECK-NEXT: rldicl [[REG2]], [[REG2]], 58, 63
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| ; CHECK-NEXT: add    [[REG3:r[0-9]+]], [[REG2]], [[REG3]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp eq i64 %Z, -32768
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @test3(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: test3:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: li    [[REG1:r[0-9]+]], 0
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| ; CHECK-NEXT: ori   [[REG1]], [[REG1]], 32769
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| ; CHECK-NEXT: xor   [[REG2:r[0-9]+]], [[REG2]], [[REG1]]
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| ; CHECK-NEXT: addic [[REG1]], [[REG2]], -1
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| ; CHECK-NEXT: subfe [[REG2]], [[REG1]], [[REG2]]
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| ; CHECK-NEXT: add   [[REG3:r[0-9]+]], [[REG2]], [[REG3]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp ne i64 %Z, 32769
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @test4(i64 %X, i64 %Z) {
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| ; CHECK-LABEL: test4:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: li     [[REG1:r[0-9]+]], 0
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| ; CHECK-NEXT: ori    [[REG1]], [[REG1]], 32769
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| ; CHECK-NEXT: xor    [[REG2:r[0-9]+]], [[REG2]], [[REG1]]
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| ; CHECK-NEXT: cntlzd [[REG2]], [[REG2]]
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| ; CHECK-NEXT: rldicl [[REG2]], [[REG2]], 58, 63
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| ; CHECK-NEXT: add    [[REG3:r[0-9]+]], [[REG2]], [[REG3]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp eq i64 %Z, 32769
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| ; comparison of two registers
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| define i64 @test5(i64 %X, i64 %Y, i64 %Z) {
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| ; CHECK-LABEL: test5:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: xor   [[REG2:r[0-9]+]], [[REG2]], [[REG1:r[0-9]+]]
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| ; CHECK-NEXT: addic [[REG1]], [[REG2]], -1
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| ; CHECK-NEXT: subfe [[REG2]], [[REG1]], [[REG2]]
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| ; CHECK-NEXT: add   [[REG3:r[0-9]+]], [[REG2]], [[REG3]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp ne i64 %Y, %Z
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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| 
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| define i64 @test6(i64 %X, i64 %Y, i64 %Z) {
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| ; CHECK-LABEL: test6:
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| ; CHECK: # %bb.0:
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| ; CHECK-NEXT: xor    [[REG2:r[0-9]+]], [[REG2]], [[REG1:r[0-9]+]]
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| ; CHECK-NEXT: cntlzd [[REG2]], [[REG2]]
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| ; CHECK-NEXT: rldicl [[REG2]], [[REG2]], 58, 63
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| ; CHECK-NEXT: add    [[REG3:r[0-9]+]], [[REG2]], [[REG3]]
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| ; CHECK-NEXT: blr
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|   %cmp = icmp eq i64 %Y, %Z
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|   %conv1 = zext i1 %cmp to i64
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|   %add = add nsw i64 %conv1, %X
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|   ret i64 %add
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| }
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