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23 lines
445 B
LLVM
23 lines
445 B
LLVM
; RUN: llc -mcpu=core-avx2 -march=x86-64 < %s | FileCheck %s
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define i128 @f1(i64 %a, i64 %b) {
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%x = zext i64 %a to i128
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%y = zext i64 %b to i128
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%r = mul i128 %x, %y
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; CHECK: f1
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; CHECK: mulxq
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; CHECK: ret
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ret i128 %r
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}
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define i128 @f2(i64 %a, i64* %p) {
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%b = load i64* %p
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%x = zext i64 %a to i128
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%y = zext i64 %b to i128
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%r = mul i128 %x, %y
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; CHECK: f2
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; CHECK: mulxq ({{.+}}), %{{.+}}, %{{.+}}
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; CHECK: ret
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ret i128 %r
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}
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