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https://github.com/c64scene-ar/llvm-6502.git
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d6aa02de10
to a few tests where it is required for the expected transformation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77290 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
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; RUN: not grep getelementptr
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define i1 @test1(i16* %P, i32 %I, i32 %J) {
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%X = getelementptr inbounds i16* %P, i32 %I ; <i16*> [#uses=1]
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%Y = getelementptr inbounds i16* %P, i32 %J ; <i16*> [#uses=1]
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%C = icmp ult i16* %X, %Y ; <i1> [#uses=1]
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ret i1 %C
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}
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define i1 @test2(i16* %P, i32 %I) {
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%X = getelementptr inbounds i16* %P, i32 %I ; <i16*> [#uses=1]
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%C = icmp ult i16* %X, %P ; <i1> [#uses=1]
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ret i1 %C
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}
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define i32 @test3(i32* %P, i32 %A, i32 %B) {
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%tmp.4 = getelementptr inbounds i32* %P, i32 %A ; <i32*> [#uses=1]
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%tmp.9 = getelementptr inbounds i32* %P, i32 %B ; <i32*> [#uses=1]
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%tmp.10 = icmp eq i32* %tmp.4, %tmp.9 ; <i1> [#uses=1]
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%tmp.11 = zext i1 %tmp.10 to i32 ; <i32> [#uses=1]
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ret i32 %tmp.11
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}
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define i32 @test4(i32* %P, i32 %A, i32 %B) {
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%tmp.4 = getelementptr inbounds i32* %P, i32 %A ; <i32*> [#uses=1]
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%tmp.6 = icmp eq i32* %tmp.4, %P ; <i1> [#uses=1]
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%tmp.7 = zext i1 %tmp.6 to i32 ; <i32> [#uses=1]
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ret i32 %tmp.7
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}
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