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Hello world C -> LLVM IR -> GNU assembly
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#include <stdio.h> | |
int main() { | |
printf("Hello World!\n"); | |
} |
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; ModuleID = 'helloworld.cpp' | |
source_filename = "helloworld.cpp" | |
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" | |
target triple = "x86_64-apple-macosx10.12.0" | |
@.str = private unnamed_addr constant [14 x i8] c"Hello World!\0A\00", align 1 | |
; Function Attrs: norecurse ssp uwtable | |
define i32 @main() #0 { | |
%1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i32 0, i32 0)) | |
ret i32 0 | |
} | |
declare i32 @printf(i8*, ...) #1 | |
attributes #0 = { norecurse ssp uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+sse4.1,+ssse3" "unsafe-fp-math"="false" "use-soft-float"="false" } | |
attributes #1 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+sse4.1,+ssse3" "unsafe-fp-math"="false" "use-soft-float"="false" } | |
!llvm.module.flags = !{!0} | |
!llvm.ident = !{!1} | |
!0 = !{i32 1, !"PIC Level", i32 2} | |
!1 = !{!"Apple LLVM version 8.0.0 (clang-800.0.42.1)"} |
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.section __TEXT,__text,regular,pure_instructions | |
.macosx_version_min 10, 12 | |
.globl _main | |
.p2align 4, 0x90 | |
_main: ## @main | |
.cfi_startproc | |
## BB#0: | |
pushq %rbp | |
Ltmp0: | |
.cfi_def_cfa_offset 16 | |
Ltmp1: | |
.cfi_offset %rbp, -16 | |
movq %rsp, %rbp | |
Ltmp2: | |
.cfi_def_cfa_register %rbp | |
leaq L_.str(%rip), %rdi | |
xorl %eax, %eax | |
callq _printf | |
xorl %eax, %eax | |
popq %rbp | |
retq | |
.cfi_endproc | |
.section __TEXT,__cstring,cstring_literals | |
L_.str: ## @.str | |
.asciz "Hello World!\n" | |
.subsections_via_symbols |
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