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f2f6ce65b7
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
1.5 KiB
LLVM
40 lines
1.5 KiB
LLVM
; RUN: opt < %s -instcombine -S | grep {call.*llvm.stackrestore}
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; PR2488
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
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target triple = "i386-pc-linux-gnu"
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@p = weak global i8* null ; <i8**> [#uses=2]
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define i32 @main() nounwind {
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entry:
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%tmp248 = call i8* @llvm.stacksave( ) ; <i8*> [#uses=1]
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%tmp2752 = alloca i32 ; <i32*> [#uses=2]
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%tmpcast53 = bitcast i32* %tmp2752 to i8* ; <i8*> [#uses=1]
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store i32 2, i32* %tmp2752, align 4
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volatile store i8* %tmpcast53, i8** @p, align 4
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br label %bb44
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bb: ; preds = %bb44
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ret i32 0
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bb44: ; preds = %bb44, %entry
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%indvar = phi i32 [ 0, %entry ], [ %tmp3857, %bb44 ] ; <i32> [#uses=1]
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%tmp249 = phi i8* [ %tmp248, %entry ], [ %tmp2, %bb44 ] ; <i8*> [#uses=1]
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%tmp3857 = add i32 %indvar, 1 ; <i32> [#uses=3]
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call void @llvm.stackrestore( i8* %tmp249 )
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%tmp2 = call i8* @llvm.stacksave( ) ; <i8*> [#uses=1]
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%tmp4 = srem i32 %tmp3857, 1000 ; <i32> [#uses=2]
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%tmp5 = add i32 %tmp4, 1 ; <i32> [#uses=1]
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%tmp27 = alloca i32, i32 %tmp5 ; <i32*> [#uses=3]
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%tmpcast = bitcast i32* %tmp27 to i8* ; <i8*> [#uses=1]
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store i32 1, i32* %tmp27, align 4
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%tmp34 = getelementptr i32* %tmp27, i32 %tmp4 ; <i32*> [#uses=1]
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store i32 2, i32* %tmp34, align 4
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volatile store i8* %tmpcast, i8** @p, align 4
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%exitcond = icmp eq i32 %tmp3857, 999999 ; <i1> [#uses=1]
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br i1 %exitcond, label %bb, label %bb44
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}
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declare i8* @llvm.stacksave() nounwind
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declare void @llvm.stackrestore(i8*) nounwind
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