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[BOLT][test] Add pseudo-probe-split-func.test #139305

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[BOLT][test] Add pseudo-probe-split-func.test #139305

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20 changes: 20 additions & 0 deletions bolt/test/X86/Inputs/pseudo-probe-split-func.c
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#include <stdio.h>

int bar(int x, int y) {
if (x % 3) {
return x - y;
}
return x + y;
}

void foo() {
int s, i = 0;
while (i++ < 4000 * 4000)
if (i % 91) s = bar(i, s); else s += 30;
printf("sum is %d\n", s);
}

int main() {
foo();
return 0;
}
18 changes: 18 additions & 0 deletions bolt/test/X86/pseudo-probe-split-func.test
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## This test checks if pseudo probes are present in split fragments
RUN: %clang %cflags %p/Inputs/pseudo-probe-split-func.c -o %t \
RUN: -O3 -fuse-ld=lld -fpseudo-probe-for-profiling -fno-omit-frame-pointer \
RUN: -mno-omit-leaf-frame-pointer -g -Wl,-q
## Test pseudo probe encoding when hot fragments are emitted before cold
RUN: llvm-bolt %t -o %t.out -split-functions --split-strategy=all -lite=0
RUN: llvm-profgen --binary=%t.out --perfscript=1 --output=%t.null \
RUN: --show-disassembly-only --show-pseudo-probe | FileCheck %s
## Test pseudo probe encoding when cold fragments are emitted before hot
RUN: llvm-bolt %t -o %t.cold -split-functions --split-strategy=all -lite=0 \
RUN: --hot-functions-at-end
RUN: llvm-profgen --binary=%t.cold --perfscript=1 --output=%t.null \
RUN: --show-disassembly-only --show-pseudo-probe | FileCheck %s
CHECK: Disassembly of section .text.cold.3
CHECK: <foo.cold.3>:
CHECK: [Probe]: FUNC: foo Index: 8 Type: Block
CHECK: <main.cold.3>:
CHECK: [Probe]: FUNC: foo Index: 8 Type: Block Inlined: @ main:2
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