| // RUN: %clang_cc1 -triple x86_64-linux-gnu -gkey-instructions -x c++ -std=c++17 %s -debug-info-kind=line-tables-only -emit-llvm -o - \ |
| // RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank --check-prefixes=CHECK,CHECK-CXX |
| |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -gkey-instructions -x c %s -debug-info-kind=line-tables-only -emit-llvm -o - \ |
| // RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank |
| |
| int g; |
| void a(int A, int B) { |
| // CHECK: entry: |
| // The load gets associated with the branch rather than the store. |
| // TODO: Associating it with the store may be a better choice. |
| // CHECK: %0 = load i32, ptr %A.addr{{.*}}, !dbg [[G2R2:!.*]] |
| // CHECK: store i32 %0, ptr @g{{.*}}, !dbg [[G1R1:!.*]] |
| // CHECK: switch i32 %0, label %{{.*}} [ |
| // CHECK: i32 0, label %sw.bb |
| // CHECK: i32 1, label %sw.bb1 |
| // CHECK: ], !dbg [[G2R1:!.*]] |
| switch ((g = A)) { |
| case 0: break; |
| case 1: { |
| // CHECK: sw.bb1: |
| // CHECK: %1 = load i32, ptr %B.addr{{.*}}, !dbg [[G3R2:!.*]] |
| // CHECK: switch i32 %1, label %{{.*}} [ |
| // CHECK: i32 0, label %sw.bb2 |
| // CHECK: ], !dbg [[G3R1:!.*]] |
| switch ((B)) { |
| case 0: { |
| // Test that assignments in constant-folded switches don't go missing. |
| // CHECK-CXX: sw.bb2: |
| // CHECK-CXX: store i32 1, ptr %C{{.*}}, !dbg [[G4R1:!.*]] |
| #ifdef __cplusplus |
| switch (const int C = 1; C) { |
| case 0: break; |
| case 1: break; |
| default: break; |
| } |
| #endif |
| } break; |
| default: break; |
| } |
| } break; |
| default: break; |
| } |
| } |
| |
| // CHECK: [[G2R2]] = !DILocation({{.*}}, atomGroup: 2, atomRank: 2) |
| // CHECK: [[G1R1]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 1) |
| // CHECK: [[G2R1]] = !DILocation({{.*}}, atomGroup: 2, atomRank: 1) |
| // CHECK: [[G3R2]] = !DILocation({{.*}}, atomGroup: 3, atomRank: 2) |
| // CHECK: [[G3R1]] = !DILocation({{.*}}, atomGroup: 3, atomRank: 1) |
| // CHECK-CXX: [[G4R1]] = !DILocation({{.*}}, atomGroup: 4, atomRank: 1) |