24 lines
593 B
LLVM
24 lines
593 B
LLVM
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; RUN: llc -march=hexagon < %s | FileCheck %s
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; CHECK: mpy
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; CHECK-NOT: call
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target triple = "hexagon"
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; Function Attrs: nounwind
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define i32 @fred(i64 %x, i64 %y, i64* nocapture %z) #0 {
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entry:
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%0 = tail call { i64, i1 } @llvm.smul.with.overflow.i64(i64 %x, i64 %y)
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%1 = extractvalue { i64, i1 } %0, 1
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%2 = extractvalue { i64, i1 } %0, 0
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store i64 %2, i64* %z, align 8
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%conv = zext i1 %1 to i32
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ret i32 %conv
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}
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; Function Attrs: nounwind readnone
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declare { i64, i1 } @llvm.smul.with.overflow.i64(i64, i64) #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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