fizzbuzz.ll

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"

@.endl = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
@.fizz = private unnamed_addr constant [8 x i8] c"fizz%d\0A\00", align 1
@.buzz = private unnamed_addr constant [8 x i8] c"buzz%d\0A\00", align 1
@.fizzbuzz = private unnamed_addr constant [12 x i8] c"fizzbuzz%d\0A\00", align 1

define i32 @main() #0 {
entry:
  %i = alloca i32, align 4
  store i32 1, i32* %i, align 4
  br label %for.cond

for.cond:
  %0 = load i32* %i, align 4
  %cmp = icmp slt i32 %0, 30
  br i1 %cmp, label %for.body, label %for.end

for.body:
  %1 = load i32* %i, align 4
  %is_fizzbuzz = srem i32 %1, 15
  %cmp1 = icmp eq i32 %is_fizzbuzz, 0
  br i1 %cmp1, label %if.fizzbuzz, label %if.not_fizzbuzz

if.fizzbuzz:
  %call1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([12 x i8]* @.fizzbuzz, i32 0, i32 0), i32 %1)
  br label %for.inc

if.not_fizzbuzz:
  %2 = load i32* %i, align 4
  %is_fizz = srem i32 %2, 3
  %cmp2 = icmp eq i32 %is_fizz, 0
  br i1 %cmp2, label %if.fizz, label %if.not_fizz

if.fizz:
  %call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([8 x i8]* @.fizz, i32 0, i32 0), i32 %1)
  br label %for.inc

if.not_fizz:
  %3 = load i32* %i, align 4
  %is_buzz = srem i32 %3, 5
  %cmp3 = icmp eq i32 %is_buzz, 0
  br i1 %cmp3, label %if.buzz, label %if.not_buzz

if.buzz:
  %call3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([8 x i8]* @.buzz, i32 0, i32 0), i32 %1)
  br label %for.inc

if.not_buzz:
  %call4 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.endl, i32 0, i32 0), i32 %1)
  br label %for.inc

for.inc:
  %4 = load i32* %i, align 4
  %inc = add nsw i32 %4, 1
  store i32 %inc, i32* %i, align 4
  br label %for.cond

for.end:
  ret i32 0

}

declare i32 @printf(i8*, ...) #1

attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }