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33 lines
1.1 KiB
LLVM
33 lines
1.1 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s
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; Test that UMULO works correctly on 64-bit operands.
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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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; CHECK-LABEL: _ZN4core3num21_$LT$impl$u20$u64$GT$15overflowing_mul17h07be88b4cbac028fE:
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; CHECK: __multi3
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; Function Attrs: inlinehint
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define void @"_ZN4core3num21_$LT$impl$u20$u64$GT$15overflowing_mul17h07be88b4cbac028fE"(i64, i64) unnamed_addr #0 {
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start:
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%2 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %0, i64 %1)
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%3 = extractvalue { i64, i1 } %2, 0
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store i64 %3, i64* undef
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unreachable
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}
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; Function Attrs: nounwind readnone speculatable
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declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1
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attributes #0 = { inlinehint }
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attributes #1 = { nounwind readnone speculatable }
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; CHECK-LABEL: wut:
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; CHECK: call __multi3, $2, $0, $pop0, $1, $pop7
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; CHECK: i64.load $0=, 8($2)
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define i1 @wut(i64, i64) {
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start:
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%2 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %0, i64 %1)
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%3 = extractvalue { i64, i1 } %2, 1
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ret i1 %3
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}
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