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37 lines
1.3 KiB
LLVM
37 lines
1.3 KiB
LLVM
; RUN: llc < %s -march=arm
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; RUN: llc < %s -march=arm -mattr=+v5TE
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; RUN: llc < %s -march=arm -mattr=+v5TE | \
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; RUN: grep smulbt | count 1
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; RUN: llc < %s -march=arm -mattr=+v5TE | \
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; RUN: grep smultt | count 1
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; RUN: llc < %s -march=arm -mattr=+v5TE | \
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; RUN: grep smlabt | count 1
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@x = weak global i16 0 ; <i16*> [#uses=1]
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@y = weak global i16 0 ; <i16*> [#uses=0]
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define i32 @f1(i32 %y) {
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%tmp = load i16* @x ; <i16> [#uses=1]
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%tmp1 = add i16 %tmp, 2 ; <i16> [#uses=1]
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%tmp2 = sext i16 %tmp1 to i32 ; <i32> [#uses=1]
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%tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1]
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%tmp4 = mul i32 %tmp2, %tmp3 ; <i32> [#uses=1]
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ret i32 %tmp4
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}
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define i32 @f2(i32 %x, i32 %y) {
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%tmp1 = ashr i32 %x, 16 ; <i32> [#uses=1]
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%tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1]
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%tmp4 = mul i32 %tmp3, %tmp1 ; <i32> [#uses=1]
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ret i32 %tmp4
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}
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define i32 @f3(i32 %a, i16 %x, i32 %y) {
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%tmp = sext i16 %x to i32 ; <i32> [#uses=1]
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%tmp2 = ashr i32 %y, 16 ; <i32> [#uses=1]
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%tmp3 = mul i32 %tmp2, %tmp ; <i32> [#uses=1]
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%tmp5 = add i32 %tmp3, %a ; <i32> [#uses=1]
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ret i32 %tmp5
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}
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