28 lines
1.0 KiB
LLVM
28 lines
1.0 KiB
LLVM
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; The phi should not be eliminated in this case, because the divide op could trap.
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; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
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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-f80:128:128"
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target triple = "i686-apple-darwin8"
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@G = weak global i32 0, align 8 ; <i32*> [#uses=2]
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define void @test(i32 %X, i32 %Y, i32 %Z) {
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entry:
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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%tmp = load i32, i32* @G, align 8 ; <i32> [#uses=2]
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%tmp3 = icmp eq i32 %X, %Y ; <i1> [#uses=1]
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%tmp34 = zext i1 %tmp3 to i8 ; <i8> [#uses=1]
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%toBool = icmp ne i8 %tmp34, 0 ; <i1> [#uses=1]
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br i1 %toBool, label %cond_true, label %cond_next
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cond_true: ; preds = %entry
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%tmp7 = udiv i32 %tmp, %Z ; <i32> [#uses=1]
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br label %cond_next
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cond_next: ; preds = %cond_true, %entry
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; CHECK: = phi i32
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%F.0 = phi i32 [ %tmp, %entry ], [ %tmp7, %cond_true ] ; <i32> [#uses=1]
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store i32 %F.0, i32* @G, align 8
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ret void
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}
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