You've already forked linux-packaging-mono
68 lines
2.8 KiB
LLVM
68 lines
2.8 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.9.0"
|
|
|
|
; LSR shouldn't normalize IV if it can't be denormalized to the original
|
|
; expression. In this testcase, the normalized expression was denormalized to
|
|
; an expression different from the original, and we were losing sign extension.
|
|
|
|
; CHECK: [[TMP:%[a-z]+]] = trunc i32 {{.*}} to i8
|
|
; CHECK: {{%[a-z0-9]+}} = sext i8 [[TMP]] to i32
|
|
|
|
@j = common global i32 0, align 4
|
|
@c = common global i32 0, align 4
|
|
@g = common global i32 0, align 4
|
|
@h = common global i8 0, align 1
|
|
@d = common global i32 0, align 4
|
|
@i = common global i32 0, align 4
|
|
@e = common global i32 0, align 4
|
|
@.str = private unnamed_addr constant [4 x i8] c"%x\0A\00", align 1
|
|
@a = common global i32 0, align 4
|
|
@b = common global i16 0, align 2
|
|
|
|
; Function Attrs: nounwind optsize ssp uwtable
|
|
define i32 @main() #0 {
|
|
entry:
|
|
store i8 0, i8* @h, align 1
|
|
%0 = load i32, i32* @j, align 4
|
|
%tobool.i = icmp eq i32 %0, 0
|
|
%1 = load i32, i32* @d, align 4
|
|
%cmp3 = icmp sgt i32 %1, -1
|
|
%.lobit = lshr i32 %1, 31
|
|
%.lobit.not = xor i32 %.lobit, 1
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %entry, %fn3.exit
|
|
%inc9 = phi i8 [ 0, %entry ], [ %inc, %fn3.exit ]
|
|
%conv = sext i8 %inc9 to i32
|
|
br i1 %tobool.i, label %fn3.exit, label %land.rhs.i
|
|
|
|
land.rhs.i: ; preds = %for.body
|
|
store i32 0, i32* @c, align 4
|
|
br label %fn3.exit
|
|
|
|
fn3.exit: ; preds = %for.body, %land.rhs.i
|
|
%inc = add i8 %inc9, 1
|
|
%cmp = icmp sgt i8 %inc, -1
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.end: ; preds = %fn3.exit
|
|
%.lobit.not. = select i1 %cmp3, i32 %.lobit.not, i32 0
|
|
store i32 %conv, i32* @g, align 4
|
|
store i32 %.lobit.not., i32* @i, align 4
|
|
store i8 %inc, i8* @h, align 1
|
|
%conv7 = sext i8 %inc to i32
|
|
%add = add nsw i32 %conv7, %conv
|
|
store i32 %add, i32* @e, align 4
|
|
%call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %add) #2
|
|
ret i32 0
|
|
}
|
|
|
|
; Function Attrs: nounwind optsize
|
|
declare i32 @printf(i8* nocapture readonly, ...) #1
|
|
|
|
attributes #0 = { nounwind optsize 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 optsize "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 optsize }
|