1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-25 12:12:47 +01:00
llvm-mirror/test/Transforms/LoopStrengthReduce/2008-09-09-Overflow.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

49 lines
1.4 KiB
LLVM

; RUN: opt < %s -loop-reduce -S | grep phi | count 2
; PR 2779
@g_19 = common global i32 0 ; <i32*> [#uses=3]
@"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
define i32 @func_8(i8 zeroext %p_9) nounwind {
entry:
ret i32 1
}
define i32 @func_3(i8 signext %p_5) nounwind {
entry:
ret i32 1
}
define void @func_1() nounwind {
entry:
br label %bb
bb: ; preds = %bb, %entry
%indvar = phi i16 [ 0, %entry ], [ %indvar.next, %bb ] ; <i16> [#uses=2]
%tmp = sub i16 0, %indvar ; <i16> [#uses=1]
%tmp27 = trunc i16 %tmp to i8 ; <i8> [#uses=1]
load i32* @g_19, align 4 ; <i32>:0 [#uses=2]
add i32 %0, 1 ; <i32>:1 [#uses=1]
store i32 %1, i32* @g_19, align 4
trunc i32 %0 to i8 ; <i8>:2 [#uses=1]
tail call i32 @func_8( i8 zeroext %2 ) nounwind ; <i32>:3 [#uses=0]
shl i8 %tmp27, 2 ; <i8>:4 [#uses=1]
add i8 %4, -112 ; <i8>:5 [#uses=1]
tail call i32 @func_3( i8 signext %5 ) nounwind ; <i32>:6 [#uses=0]
%indvar.next = add i16 %indvar, 1 ; <i16> [#uses=2]
%exitcond = icmp eq i16 %indvar.next, -28 ; <i1> [#uses=1]
br i1 %exitcond, label %return, label %bb
return: ; preds = %bb
ret void
}
define i32 @main() nounwind {
entry:
tail call void @func_1( ) nounwind
load i32* @g_19, align 4 ; <i32>:0 [#uses=1]
tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %0 ) nounwind ; <i32>:1 [#uses=0]
ret i32 0
}
declare i32 @printf(i8*, ...) nounwind