40 lines
1.3 KiB
LLVM
40 lines
1.3 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -march=ppc32 | grep rotlwi | count 2
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; RUN: llc -verify-machineinstrs < %s -march=ppc32 | grep clrlwi | count 2
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; RUN: llc -verify-machineinstrs < %s -march=ppc32 | grep rotlw | count 4
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; RUN: llc -verify-machineinstrs < %s -march=ppc32 | not grep or
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define i32 @rotl32(i32 %A, i8 %Amt) nounwind {
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%shift.upgrd.1 = zext i8 %Amt to i32 ; <i32> [#uses=1]
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%B = shl i32 %A, %shift.upgrd.1 ; <i32> [#uses=1]
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%Amt2 = sub i8 32, %Amt ; <i8> [#uses=1]
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%shift.upgrd.2 = zext i8 %Amt2 to i32 ; <i32> [#uses=1]
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%C = lshr i32 %A, %shift.upgrd.2 ; <i32> [#uses=1]
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%D = or i32 %B, %C ; <i32> [#uses=1]
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ret i32 %D
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}
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define i32 @rotr32(i32 %A, i8 %Amt) nounwind {
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%shift.upgrd.3 = zext i8 %Amt to i32 ; <i32> [#uses=1]
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%B = lshr i32 %A, %shift.upgrd.3 ; <i32> [#uses=1]
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%Amt2 = sub i8 32, %Amt ; <i8> [#uses=1]
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%shift.upgrd.4 = zext i8 %Amt2 to i32 ; <i32> [#uses=1]
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%C = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1]
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%D = or i32 %B, %C ; <i32> [#uses=1]
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ret i32 %D
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}
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define i32 @rotli32(i32 %A) nounwind {
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%B = shl i32 %A, 5 ; <i32> [#uses=1]
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%C = lshr i32 %A, 27 ; <i32> [#uses=1]
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%D = or i32 %B, %C ; <i32> [#uses=1]
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ret i32 %D
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}
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define i32 @rotri32(i32 %A) nounwind {
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%B = lshr i32 %A, 5 ; <i32> [#uses=1]
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%C = shl i32 %A, 27 ; <i32> [#uses=1]
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%D = or i32 %B, %C ; <i32> [#uses=1]
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ret i32 %D
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}
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