26 lines
1.0 KiB
LLVM
26 lines
1.0 KiB
LLVM
; RUN: llc < %s -march=x86 -relocation-model=static | not grep "subl.*%esp"
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@A = external global i16* ; <i16**> [#uses=1]
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@B = external global i32 ; <i32*> [#uses=1]
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@C = external global i32 ; <i32*> [#uses=2]
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define void @test() {
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%tmp = load i16*, i16** @A ; <i16*> [#uses=1]
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%tmp1 = getelementptr i16, i16* %tmp, i32 1 ; <i16*> [#uses=1]
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%tmp.upgrd.1 = load i16, i16* %tmp1 ; <i16> [#uses=1]
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%tmp3 = zext i16 %tmp.upgrd.1 to i32 ; <i32> [#uses=1]
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%tmp.upgrd.2 = load i32, i32* @B ; <i32> [#uses=1]
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%tmp4 = and i32 %tmp.upgrd.2, 16 ; <i32> [#uses=1]
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%tmp5 = load i32, i32* @C ; <i32> [#uses=1]
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%tmp6 = trunc i32 %tmp4 to i8 ; <i8> [#uses=2]
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%shift.upgrd.3 = zext i8 %tmp6 to i32 ; <i32> [#uses=1]
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%tmp7 = shl i32 %tmp5, %shift.upgrd.3 ; <i32> [#uses=1]
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%tmp9 = xor i8 %tmp6, 16 ; <i8> [#uses=1]
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%shift.upgrd.4 = zext i8 %tmp9 to i32 ; <i32> [#uses=1]
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%tmp11 = lshr i32 %tmp3, %shift.upgrd.4 ; <i32> [#uses=1]
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%tmp12 = or i32 %tmp11, %tmp7 ; <i32> [#uses=1]
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store i32 %tmp12, i32* @C
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ret void
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}
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