16 lines
671 B
LLVM
16 lines
671 B
LLVM
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; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+dsp %s -o - | FileCheck %s
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; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+dsp -arm-use-mulops=false %s -o - | FileCheck %s -check-prefix=NO_MULOPS
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define i32 @f3(i32 %a, i16 %x, i32 %y) {
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; CHECK: f3
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; CHECK: smlabt r0, r1, r2, r0
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; NO_MULOPS: f3
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; NO_MULOPS: smultb r1, r2, r1
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; NO_MULOPS-NEXT: add r0, r1
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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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