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23 lines
1006 B
LLVM
23 lines
1006 B
LLVM
; RUN: llvm-as < %s | llc -march=arm -mattr=+v6
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; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \
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; RUN: grep smmul | count 1
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; RUN: llvm-as < %s | llc -march=arm | grep umull | count 1
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define i32 @smulhi(i32 %x, i32 %y) {
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%tmp = sext i32 %x to i64 ; <i64> [#uses=1]
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%tmp1 = sext i32 %y to i64 ; <i64> [#uses=1]
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%tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1]
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%tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1]
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%tmp3.upgrd.1 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1]
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ret i32 %tmp3.upgrd.1
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}
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define i32 @umulhi(i32 %x, i32 %y) {
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%tmp = zext i32 %x to i64 ; <i64> [#uses=1]
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%tmp1 = zext i32 %y to i64 ; <i64> [#uses=1]
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%tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1]
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%tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1]
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%tmp3.upgrd.2 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1]
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ret i32 %tmp3.upgrd.2
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}
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