forked from OSchip/llvm-project
109 lines
2.0 KiB
C++
109 lines
2.0 KiB
C++
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
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extern int printf(const char*, ...);
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// CHECK-LABEL: @_Z4testi(
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int test(int val){
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switch (val) {
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case 4:
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do {
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switch (6) {
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// CHECK: call i32 (i8*, ...) @_Z6printfPKcz
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case 6: do { case 5: printf("bad\n"); } while (0);
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};
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} while (0);
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}
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return 0;
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}
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int main(void) {
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return test(5);
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}
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// CHECK-LABEL: @_Z10other_testv(
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void other_test() {
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switch(0) {
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case 0:
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do {
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default:;
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} while(0);
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}
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}
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struct X { X(); ~X(); };
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void dont_call();
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void foo();
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// CHECK-LABEL: @_Z13nested_scopesv(
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void nested_scopes() {
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switch (1) {
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case 0:
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// CHECK-NOT: @_Z9dont_callv(
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dont_call();
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break;
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default:
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// CHECK: call {{.*}} @_ZN1XC1Ev(
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// CHECK: call {{.*}} @_Z3foov(
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// CHECK-NOT: call {{.*}} @_Z3foov(
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// CHECK: call {{.*}} @_ZN1XD1Ev(
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{ X x; foo(); }
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// CHECK: call {{.*}} @_ZN1XC1Ev(
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// CHECK: call {{.*}} @_Z3foov(
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// CHECK: call {{.*}} @_ZN1XD1Ev(
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{ X x; foo(); }
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// CHECK: call {{.*}} @_ZN1XC1Ev(
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// CHECK: call {{.*}} @_Z3foov(
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// CHECK: call {{.*}} @_ZN1XD1Ev(
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{ X x; foo(); }
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break;
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}
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}
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// CHECK-LABEL: @_Z17scope_fallthroughv(
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void scope_fallthrough() {
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switch (1) {
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// CHECK: call {{.*}} @_ZN1XC1Ev(
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// CHECK-NOT: call {{.*}} @_Z3foov(
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// CHECK: call {{.*}} @_ZN1XD1Ev(
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{ default: X x; }
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// CHECK: call {{.*}} @_Z3foov(
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foo();
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break;
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}
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}
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// CHECK-LABEL: @_Z12hidden_breakb(
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void hidden_break(bool b) {
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switch (1) {
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default:
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// CHECK: br
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if (b)
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break;
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// CHECK: call {{.*}} @_Z3foov(
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foo();
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break;
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}
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}
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// CHECK-LABEL: @_Z10hidden_varv(
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int hidden_var() {
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switch (1) {
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// CHECK: %[[N:.*]] = alloca i32
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case 0: int n;
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// CHECK: store i32 0, i32* %[[N]]
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// CHECK: load i32, i32* %[[N]]
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// CHECK: ret
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default: n = 0; return n;
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}
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}
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// CHECK-LABEL: @_Z13case_in_labelv(
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void case_in_label() {
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// CHECK: br label %
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switch (1) case 1: foo: case 0: goto foo;
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}
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