forked from OSchip/llvm-project
25 lines
691 B
LLVM
25 lines
691 B
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; CHECK: r{{[0-9]+}} = sub(r{{[0-9]+}}.{{L|l}},r{{[0-9]+}}.{{L|l}}):<<16
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; Function Attrs: nounwind readnone
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define i64 @f0(i64 %a0, i16 zeroext %a1, i16 zeroext %a2) #0 {
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b0:
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%v0 = zext i16 %a1 to i32
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%v1 = zext i16 %a2 to i32
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%v2 = sub nsw i32 %v0, %v1
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%v3 = shl i32 %v2, 16
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%v4 = icmp slt i32 %v3, 65536
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%v5 = ashr exact i32 %v3, 16
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%v6 = select i1 %v4, i32 1, i32 %v5
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%v7 = icmp sgt i32 %v6, 4
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%v8 = add i32 %v6, 65535
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%v9 = shl i64 %a0, 2
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%v10 = and i32 %v8, 65535
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%v11 = zext i32 %v10 to i64
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%v12 = select i1 %v7, i64 3, i64 %v11
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%v13 = or i64 %v12, %v9
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ret i64 %v13
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}
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attributes #0 = { nounwind readnone }
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