36 lines
1.2 KiB
LLVM
36 lines
1.2 KiB
LLVM
; RUN: opt -disable-output -debugify-each -passes=gvn < %s 2>&1 | FileCheck %s
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; CHECK-NOT: ERROR: Instruction with empty DebugLoc in function _Z3bazv -- {{%.*}} = phi
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; CHECK: CheckFunctionDebugify [GVNPass]: PASS
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@foo = dso_local local_unnamed_addr global i32 0, align 4
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@x = global i8 17
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define dso_local void @_Z3bazv() local_unnamed_addr #0 {
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entry:
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br label %for.cond
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for.cond.loopexit.loopexit: ; preds = %for.inc
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br label %for.cond.loopexit
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for.cond.loopexit: ; preds = %for.cond.loopexit.loopexit, %for.cond
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br label %for.cond
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for.cond: ; preds = %for.cond.loopexit, %entry
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%.pr = load i32, i32* @foo, align 4
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%tobool1 = icmp eq i32 %.pr, 0
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br i1 %tobool1, label %for.cond.loopexit, label %for.inc.preheader
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for.inc.preheader: ; preds = %for.cond
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br label %for.inc
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for.inc: ; preds = %for.inc.preheader, %for.inc
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%val = load i8, i8* @x
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%conv = sext i8 %val to i32
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store i32 %conv, i32* @foo, align 4
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%tobool = icmp eq i8 %val, 0
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br i1 %tobool, label %for.cond.loopexit.loopexit, label %for.inc
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}
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declare dso_local signext i8 @_Z3barv() local_unnamed_addr #1
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