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1a77669bc6
If we are lowering a libcall after legalization, we'll split the return type into a pair of legal values. Patch by Jatin Bhateja and Eli Friedman. Differential Revision: https://reviews.llvm.org/D34240 llvm-svn: 307207
22 lines
812 B
LLVM
22 lines
812 B
LLVM
; RUN: llc < %s -asm-verbose=false | 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-emscripten"
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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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