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[NFC][KeyInstr][Clang] Add some additional tests #134654

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[NFC][KeyInstr][Clang] Add some additional tests #134654

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[NFC][KeyInstr][Clang] Add some additional tests
OCHyams Apr 7, 2025
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OCHyams May 21, 2025
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19 changes: 19 additions & 0 deletions clang/test/KeyInstructions/cast.c
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// RUN: %clang_cc1 -gkey-instructions -gno-column-info -x c++ %s -debug-info-kind=line-tables-only -emit-llvm -o - \
// RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank

// RUN: %clang_cc1 -gkey-instructions -gno-column-info -x c %s -debug-info-kind=line-tables-only -emit-llvm -o - \
// RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank

float g;
void a() {
// CHECK: %0 = load float, ptr @g{{.*}}, !dbg [[G1R3:!.*]]
// CHECK: %conv = fptosi float %0 to i32{{.*}}, !dbg [[G1R2:!.*]]
// CHECK: store i32 %conv, ptr %a{{.*}}, !dbg [[G1R1:!.*]]
int a = g;
// CHECK: ret{{.*}}, !dbg [[G2R1:!.*]]
}

// CHECK: [[G1R3]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 3)
// CHECK: [[G1R2]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 2)
// CHECK: [[G1R1]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 1)
// CHECK: [[G2R1]] = !DILocation({{.*}}, atomGroup: 2, atomRank: 1)
18 changes: 18 additions & 0 deletions clang/test/KeyInstructions/multi-func.c
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// RUN: %clang_cc1 -gkey-instructions -gno-column-info -x c++ %s -debug-info-kind=line-tables-only -emit-llvm -o - \
// RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank

// RUN: %clang_cc1 -gkey-instructions -gno-column-info -x c %s -debug-info-kind=line-tables-only -emit-llvm -o - \
// RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank

// Check atomGroup is reset to start at 1 in each function.

// CHECK: ret{{.*}}, !dbg [[AG:!.*]]
void a() {}

// CHECK: ret{{.*}}, !dbg [[BG:!.*]]
void b() {}

// CHECK: [[A:!.*]] = distinct !DISubprogram(name: "a",
// CHECK: [[AG]] = !DILocation({{.*}}, scope: [[A]], atomGroup: 1, atomRank: 1)
// CHECK: [[B:!.*]] = distinct !DISubprogram(name: "b",
// CHECK: [[BG]] = !DILocation({{.*}}, scope: [[B]], atomGroup: 1, atomRank: 1)
37 changes: 37 additions & 0 deletions clang/test/KeyInstructions/new.cpp
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// RUN: %clang_cc1 -gkey-instructions %s -debug-info-kind=line-tables-only -emit-llvm -o - -Wno-unused-variable \
// RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank

// Check both the addr-store and value-store are part of the same atom.

void f(int x) {
// CHECK: %call = call noalias noundef nonnull ptr @_Znwm{{.*}}, !dbg [[G1R2_C12:!.*]]
// CHECK: %0 = load i32, ptr %x.addr{{.*}}, !dbg [[G1R2_C20:!.*]]
// CHECK: store i32 %0, ptr %call{{.*}}, !dbg [[G1R1_C12:!.*]]
// CHECK: store ptr %call, ptr %{{.*}}, !dbg [[G1R1_C8:!.*]]
int *n = new int(x);
// CHECK: %call1 = call noalias noundef nonnull ptr @_Znwm{{.*}}, !dbg [[G2R2_C7:!.*]]
// CHECK: %1 = load i32, ptr %x.addr{{.*}}, !dbg [[G2R2_C15:!.*]]
// CHECK: store i32 %1, ptr %call{{.*}}, !dbg [[G2R1_C7:!.*]]
// CHECK: store ptr %call1, ptr %{{.*}}, !dbg [[G2R1_C5:!.*]]
n = new int(x);
// CHECK: %2 = load i32, ptr %x.addr{{.*}}, !dbg [[G3R2:!.*]]
// CHECK: %3 = load ptr, ptr %n
// CHECK: store i32 %2, ptr %3{{.*}}, !dbg [[G3R1:!.*]]
*n = x;
// CHECK: ret void, !dbg [[G4R1:!.*]]
}

// CHECK: [[G1R2_C12]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 2)
// CHECK: [[G1R2_C20]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 2)
// CHECK: [[G1R1_C12]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 1)
// CHECK: [[G1R1_C8]] = !DILocation({{.*}}, atomGroup: 1, atomRank: 1)

// CHECK: [[G2R2_C7]] = !DILocation({{.*}}, atomGroup: 2, atomRank: 2)
// CHECK: [[G2R2_C15]] = !DILocation({{.*}}, atomGroup: 2, atomRank: 2)
// CHECK: [[G2R1_C7]] = !DILocation({{.*}}, atomGroup: 2, atomRank: 1)
// CHECK: [[G2R1_C5]] = !DILocation({{.*}}, atomGroup: 2, atomRank: 1)

// CHECK: [[G3R2]] = !DILocation({{.*}}, atomGroup: 3, atomRank: 2)
// CHECK: [[G3R1]] = !DILocation({{.*}}, atomGroup: 3, atomRank: 1)

// CHECK: [[G4R1]] = !DILocation({{.*}}, atomGroup: 4, atomRank: 1)
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