50 lines · plain
1; RUN: llvm-profgen --perfscript=%s --binary=%S/Inputs/inline-cs-pseudoprobe.perfbin --output=%t --show-disassembly-only | FileCheck %s2 3; CHECK: <bar>:4; CHECK-NEXT: 201750: pushq %rbp5; CHECK-NEXT: 201751: movq %rsp, %rbp6; CHECK-NEXT: 201754: imull $2863311531, %edi, %eax7; CHECK-NEXT: 20175a: addl $715827882, %eax8; CHECK-NEXT: 20175f: movl %esi, %ecx9; CHECK-NEXT: 201761: negl %ecx10; CHECK-NEXT: 201763: cmpl $1431655765, %eax11; CHECK-NEXT: 201768: cmovbl %esi, %ecx12; CHECK-NEXT: 20176b: leal (%rcx,%rdi), %eax13; CHECK-NEXT: 20176e: popq %rbp14; CHECK-NEXT: 20176f: retq15 16; CHECK: <foo>:17; CHECK-NEXT 201770: movl $1, %ecx18; CHECK-NEXT 201775: movl $2863311531, %r8d19; CHECK-NEXT 20177b: jmp 0x78e20; CHECK-NEXT 20177d: nopl (%rax)21; CHECK-NEXT 201780: addl $30, %esi22; CHECK-NEXT 201783: addl $1, %ecx23; CHECK-NEXT 201786: cmpl $16000001, %ecx24 25 26; clang -O3 -fuse-ld=lld -fpseudo-probe-for-profiling27; -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -Xclang -mdisable-tail-calls28; -g test.c -o a.out29 30#include <stdio.h>31 32int bar(int x, int y) {33 if (x % 3) {34 return x - y;35 }36 return x + y;37}38 39void foo() {40 int s, i = 0;41 while (i++ < 4000 * 4000)42 if (i % 91) s = bar(i, s); else s += 30;43 printf("sum is %d\n", s);44}45 46int main() {47 foo();48 return 0;49}50