forked from OSchip/llvm-project
24 lines
998 B
LLVM
24 lines
998 B
LLVM
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+t2dsp %s -o - | FileCheck %s
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define i32 @smulhi(i32 %x, i32 %y) {
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; CHECK: smulhi
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; CHECK: smmul r0, r1, r0
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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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; CHECK: umulhi
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; CHECK: umull r1, r0, r1, r0
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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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