notes/annotations/hello.ll


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

; ModuleID = 'hello.c'
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"

@.str = private unnamed_addr constant [13 x i8] c"Hello World\0A\00", align 1

; Function Attrs: nounwind ssp uwtable
define i32 @main(i32 %a) #0 {
  %1 = icmp sgt i32 %a, 0
  br i1 %1, label %2, label %4

; <label>:2                                       ; preds = %0
  %3 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([13 x i8]* @.str, i64 0, i64 0)) #2
  br label %4

; <label>:4                                       ; preds = %2, %0
  %.0 = phi i32 [ %3, %2 ], [ 0, %0 ]
  ret i32 %.0
}

; Function Attrs: nounwind
declare i32 @printf(i8* nocapture readonly, ...) #1

attributes #0 = { nounwind ssp uwtable "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" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind "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" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind }

!llvm.ident = !{!0}

!0 = metadata !{metadata !"Apple LLVM version 6.0 (clang-600.0.56) (based on LLVM 3.5svn)"}