20 lines
745 B
LLVM
20 lines
745 B
LLVM
; RUN: llc -asm-verbose=false < %s -wasm-keep-registers | FileCheck %s
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; Test that 128-bit smul.with.overflow assembles as expected.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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define i128 @call_muloti4(i128 %a, i128 %b) nounwind {
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entry:
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%smul = tail call { i128, i1 } @llvm.smul.with.overflow.i128(i128 %a, i128 %b)
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%cmp = extractvalue { i128, i1 } %smul, 1
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%smul.result = extractvalue { i128, i1 } %smul, 0
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%X = select i1 %cmp, i128 %smul.result, i128 42
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ret i128 %X
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}
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; CHECK: call __muloti4, $pop{{[0-9]*}}, $pop{{[0-9]*}}, $pop{{[0-9]*}}, $pop{{[0-9]*}}, $pop{{[0-9]*}}, $pop{{[0-9]*}}{{$}}
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declare { i128, i1 } @llvm.smul.with.overflow.i128(i128, i128) nounwind readnone
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