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| author | Frits van Bommel <fvbommel@gmail.com> | 2011-03-27 14:26:13 +0000 |
|---|---|---|
| committer | Frits van Bommel <fvbommel@gmail.com> | 2011-03-27 14:26:13 +0000 |
| commit | 6208610fd602ebdb18bb793152899573d0b2b7ab (patch) | |
| tree | 04cc9a6f57e3c0b146c2067bd287912b13e4b3e4 /lib/Analysis/ConstantFolding.cpp | |
| parent | f0bf9dfc1f7755a6233e41fd6f259c4ee08a40dc (diff) | |
Constant folding support for calls to umul.with.overflow(), basically identical to the smul.with.overflow() code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128379 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ConstantFolding.cpp')
| -rw-r--r-- | lib/Analysis/ConstantFolding.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp index cd8d52c1c4..c6aad0cd58 100644 --- a/lib/Analysis/ConstantFolding.cpp +++ b/lib/Analysis/ConstantFolding.cpp @@ -1048,11 +1048,12 @@ llvm::canConstantFoldCallTo(const Function *F) { case Intrinsic::ctpop: case Intrinsic::ctlz: case Intrinsic::cttz: - case Intrinsic::uadd_with_overflow: - case Intrinsic::usub_with_overflow: case Intrinsic::sadd_with_overflow: + case Intrinsic::uadd_with_overflow: case Intrinsic::ssub_with_overflow: + case Intrinsic::usub_with_overflow: case Intrinsic::smul_with_overflow: + case Intrinsic::umul_with_overflow: case Intrinsic::convert_from_fp16: case Intrinsic::convert_to_fp16: case Intrinsic::x86_sse_cvtss2si: @@ -1362,7 +1363,8 @@ llvm::ConstantFoldCall(Function *F, case Intrinsic::uadd_with_overflow: case Intrinsic::ssub_with_overflow: case Intrinsic::usub_with_overflow: - case Intrinsic::smul_with_overflow: { + case Intrinsic::smul_with_overflow: + case Intrinsic::umul_with_overflow: { APInt Res; bool Overflow; switch (F->getIntrinsicID()) { @@ -1382,6 +1384,9 @@ llvm::ConstantFoldCall(Function *F, case Intrinsic::smul_with_overflow: Res = Op1->getValue().smul_ov(Op2->getValue(), Overflow); break; + case Intrinsic::umul_with_overflow: + Res = Op1->getValue().umul_ov(Op2->getValue(), Overflow); + break; } Constant *Ops[] = { ConstantInt::get(F->getContext(), Res), |