42 lines
1.6 KiB
LLVM
42 lines
1.6 KiB
LLVM
; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | \
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; RUN: grep {sh\[lr\]d} | count 5
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define i64 @test1(i64 %X, i8 %C) {
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%shift.upgrd.1 = zext i8 %C to i64 ; <i64> [#uses=1]
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%Y = shl i64 %X, %shift.upgrd.1 ; <i64> [#uses=1]
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ret i64 %Y
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}
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define i64 @test2(i64 %X, i8 %C) {
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%shift.upgrd.2 = zext i8 %C to i64 ; <i64> [#uses=1]
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%Y = ashr i64 %X, %shift.upgrd.2 ; <i64> [#uses=1]
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ret i64 %Y
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}
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define i64 @test3(i64 %X, i8 %C) {
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%shift.upgrd.3 = zext i8 %C to i64 ; <i64> [#uses=1]
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%Y = lshr i64 %X, %shift.upgrd.3 ; <i64> [#uses=1]
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ret i64 %Y
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}
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define i32 @test4(i32 %A, i32 %B, i8 %C) {
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%shift.upgrd.4 = zext i8 %C to i32 ; <i32> [#uses=1]
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%X = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1]
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%Cv = sub i8 32, %C ; <i8> [#uses=1]
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%shift.upgrd.5 = zext i8 %Cv to i32 ; <i32> [#uses=1]
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%Y = lshr i32 %B, %shift.upgrd.5 ; <i32> [#uses=1]
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%Z = or i32 %Y, %X ; <i32> [#uses=1]
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ret i32 %Z
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}
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define i16 @test5(i16 %A, i16 %B, i8 %C) {
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%shift.upgrd.6 = zext i8 %C to i16 ; <i16> [#uses=1]
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%X = shl i16 %A, %shift.upgrd.6 ; <i16> [#uses=1]
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%Cv = sub i8 16, %C ; <i8> [#uses=1]
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%shift.upgrd.7 = zext i8 %Cv to i16 ; <i16> [#uses=1]
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%Y = lshr i16 %B, %shift.upgrd.7 ; <i16> [#uses=1]
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%Z = or i16 %Y, %X ; <i16> [#uses=1]
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ret i16 %Z
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}
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