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48 lines
1.3 KiB
LLVM
48 lines
1.3 KiB
LLVM
; RUN: opt < %s -simplifycfg -S | not grep br
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declare void @foo1()
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declare void @foo2()
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define void @test1(i32 %V) {
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%C1 = icmp eq i32 %V, 4 ; <i1> [#uses=1]
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%C2 = icmp eq i32 %V, 17 ; <i1> [#uses=1]
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%CN = or i1 %C1, %C2 ; <i1> [#uses=1]
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br i1 %CN, label %T, label %F
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T: ; preds = %0
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call void @foo1( )
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ret void
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F: ; preds = %0
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call void @foo2( )
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ret void
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}
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define void @test2(i32 %V) {
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%C1 = icmp ne i32 %V, 4 ; <i1> [#uses=1]
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%C2 = icmp ne i32 %V, 17 ; <i1> [#uses=1]
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%CN = and i1 %C1, %C2 ; <i1> [#uses=1]
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br i1 %CN, label %T, label %F
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T: ; preds = %0
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call void @foo1( )
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ret void
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F: ; preds = %0
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call void @foo2( )
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ret void
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}
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define void @test3(i32 %V) {
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%C1 = icmp eq i32 %V, 4 ; <i1> [#uses=1]
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br i1 %C1, label %T, label %N
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N: ; preds = %0
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%C2 = icmp eq i32 %V, 17 ; <i1> [#uses=1]
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br i1 %C2, label %T, label %F
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T: ; preds = %N, %0
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call void @foo1( )
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ret void
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F: ; preds = %N
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call void @foo2( )
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ret void
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}
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