;; The test fails on Windows. Fix it before removing the following requirement. ; REQUIRES: x86_64-linux ; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/noinline-tailcall-probe.perfscript --binary=%S/Inputs/noinline-tailcall-probe.perfbin --output=%t --profile-summary-hot-count=0 --csspgo-preinliner=0 --gen-cs-nested-profile=0 --infer-missing-frames=0 ; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-NOINFER ; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/noinline-tailcall-probe.perfscript --binary=%S/Inputs/noinline-tailcall-probe.perfbin --output=%t --profile-summary-hot-count=0 --csspgo-preinliner=0 --gen-cs-nested-profile=0 --infer-missing-frames=1 ; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-INFER ; CHECK-NOINFER: [main:5 @ foo]:48:1 ; CHECK-NOINFER-NEXT: 1: 1 ; CHECK-NOINFER-NEXT: 2: 10 ; CHECK-NOINFER-NEXT: 3: 9 ; CHECK-NOINFER-NEXT: 4: 9 ; CHECK-NOINFER-NEXT: 5: 0 ; CHECK-NOINFER-NEXT: 6: 9 ; CHECK-NOINFER-NEXT: 7: 1 ; CHECK-NOINFER-NEXT: 8: 9 bar:9 ; CHECK-NOINFER-NEXT: !CFGChecksum: 281613927302580 ; CHECK-NOINFER-NEXT:[main:5 @ foo:8 @ bar]:18:9 ; CHECK-NOINFER-NEXT: 1: 9 ; CHECK-NOINFER-NEXT: 4: 9 ; CHECK-NOINFER-NEXT: !CFGChecksum: 72617220756 ; CHECK-NOINFER-NEXT:[main]:3:0 ; CHECK-NOINFER-NEXT: 1: 0 ; CHECK-NOINFER-NEXT: 2: 1 ; CHECK-NOINFER-NEXT: 3: 1 ; CHECK-NOINFER-NEXT: 4: 0 ; CHECK-NOINFER-NEXT: 5: 1 go:1 ; CHECK-NOINFER-NEXT: 6: 0 ; CHECK-NOINFER-NEXT: !CFGChecksum: 563022115997000 ; CHECK-NOINFER-NEXT:[main:5 @ go]:2:1 ; CHECK-NOINFER-NEXT: 1: 1 ; CHECK-NOINFER-NEXT: 2: 1 foo:1 ; CHECK-NOINFER-NEXT: !CFGChecksum: 281479271677951 ; CHECK-INFER: [main:5 @ go:2 @ foo]:48:1 ; CHECK-INFER-NEXT: 1: 1 ; CHECK-INFER-NEXT: 2: 10 ; CHECK-INFER-NEXT: 3: 9 ; CHECK-INFER-NEXT: 4: 9 ; CHECK-INFER-NEXT: 5: 0 ; CHECK-INFER-NEXT: 6: 9 ; CHECK-INFER-NEXT: 7: 1 ; CHECK-INFER-NEXT: 8: 9 bar:9 ; CHECK-INFER-NEXT: !CFGChecksum: 281613927302580 ; CHECK-INFER-NEXT:[main:5 @ go:2 @ foo:8 @ bar]:18:9 ; CHECK-INFER-NEXT: 1: 9 ; CHECK-INFER-NEXT: 4: 9 ; CHECK-INFER-NEXT: !CFGChecksum: 72617220756 ; CHECK-INFER-NEXT:[main]:3:0 ; CHECK-INFER-NEXT: 1: 0 ; CHECK-INFER-NEXT: 2: 1 ; CHECK-INFER-NEXT: 3: 1 ; CHECK-INFER-NEXT: 4: 0 ; CHECK-INFER-NEXT: 5: 1 go:1 ; CHECK-INFER-NEXT: 6: 0 ; CHECK-INFER-NEXT: !CFGChecksum: 563022115997000 ; CHECK-INFER-NEXT:[main:5 @ go]:2:1 ; CHECK-INFER-NEXT: 1: 1 ; CHECK-INFER-NEXT: 2: 1 foo:1 ; CHECK-INFER-NEXT: !CFGChecksum: 281479271677951 ; original code: ; clang -O3 -fexperimental-new-pass-manager -fuse-ld=lld -fpseudo-probe-for-profiling ; -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -g test.c -o a.out #include int s; int bar(int x, int y) { if (x % 3) { return x - y; } return x + y; } int foo() { int i = 0; while (i++ < 4000) if (i % 91) s = bar(i, s); else s += 30; return 0; } void go() { foo(); } int main() { int i = 0; while (i++ < 4000) go(); printf("sum is %d\n", s); return 0; }