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38a18261b9
with an invalid type then split the result and perform the overflow check normally. Fixes the 32-bit parts of rdar://8622122 and rdar://8774702. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123864 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
410 B
LLVM
15 lines
410 B
LLVM
; RUN: llc < %s -mtriple=thumbv6-apple-darwin | FileCheck %s
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%umul.ty = type { i32, i1 }
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define i32 @func(i32 %a) nounwind {
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; CHECK: func
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; CHECK: muldi3
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%tmp0 = tail call %umul.ty @llvm.umul.with.overflow.i32(i32 %a, i32 37)
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%tmp1 = extractvalue %umul.ty %tmp0, 0
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%tmp2 = select i1 undef, i32 -1, i32 %tmp1
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ret i32 %tmp2
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}
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declare %umul.ty @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
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