35 lines
1.0 KiB
LLVM
35 lines
1.0 KiB
LLVM
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; RUN: llc < %s -march=ppc32 | grep rlwimi
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; RUN: llc < %s -march=ppc32 | not grep {or }
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; Make sure there is no register-register copies here.
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define void @test1(i32* %A, i32* %B, i32* %D, i32* %E) {
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%A.upgrd.1 = load i32* %A ; <i32> [#uses=2]
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%B.upgrd.2 = load i32* %B ; <i32> [#uses=1]
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%X = and i32 %A.upgrd.1, 15 ; <i32> [#uses=1]
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%Y = and i32 %B.upgrd.2, -16 ; <i32> [#uses=1]
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%Z = or i32 %X, %Y ; <i32> [#uses=1]
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store i32 %Z, i32* %D
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store i32 %A.upgrd.1, i32* %E
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ret void
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}
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define void @test2(i32* %A, i32* %B, i32* %D, i32* %E) {
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%A.upgrd.3 = load i32* %A ; <i32> [#uses=1]
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%B.upgrd.4 = load i32* %B ; <i32> [#uses=2]
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%X = and i32 %A.upgrd.3, 15 ; <i32> [#uses=1]
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%Y = and i32 %B.upgrd.4, -16 ; <i32> [#uses=1]
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%Z = or i32 %X, %Y ; <i32> [#uses=1]
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store i32 %Z, i32* %D
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store i32 %B.upgrd.4, i32* %E
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ret void
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}
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define i32 @test3(i32 %a, i32 %b) {
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%tmp.1 = and i32 %a, 15 ; <i32> [#uses=1]
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%tmp.3 = and i32 %b, 240 ; <i32> [#uses=1]
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%tmp.4 = or i32 %tmp.3, %tmp.1 ; <i32> [#uses=1]
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ret i32 %tmp.4
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}
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