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[GISel]: Fix incorrect type used in Pattern Match for ICst

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getConstantVRegVal() returns int64_t but we use uint64_t.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@327461 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Aditya Nandakumar 2018-03-13 23:21:13 +00:00
parent a3a491bfb1
commit 39745f957e
2 changed files with 8 additions and 8 deletions
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6
include/llvm/CodeGen/GlobalISel/MIPatternMatch.h
View File

@ -43,8 +43,8 @@ inline OneUse_match<SubPat> m_OneUse(const SubPat &SP) {
}
struct ConstantMatch {
uint64_t &CR;
ConstantMatch(uint64_t &C) : CR(C) {}
int64_t &CR;
ConstantMatch(int64_t &C) : CR(C) {}
bool match(const MachineRegisterInfo &MRI, unsigned Reg) {
if (auto MaybeCst = getConstantVRegVal(Reg, MRI)) {
CR = *MaybeCst;
@ -54,7 +54,7 @@ struct ConstantMatch {
}
};
inline ConstantMatch m_ICst(uint64_t &Cst) { return ConstantMatch(Cst); }
inline ConstantMatch m_ICst(int64_t &Cst) { return ConstantMatch(Cst); }
// TODO: Rework this for different kinds of MachineOperand.
// Currently assumes the Src for a match is a register.

10
unittests/CodeGen/GlobalISel/PatternMatchTest.cpp
View File

@ -134,10 +134,10 @@ TEST(PatternMatchInstr, MatchIntConstant) {
MachineRegisterInfo &MRI = MF->getRegInfo();
B.setInsertPt(*EntryMBB, EntryMBB->end());
auto MIBCst = B.buildConstant(LLT::scalar(64), 42);
uint64_t Cst;
int64_t Cst;
bool match = mi_match(MIBCst->getOperand(0).getReg(), MRI, m_ICst(Cst));
ASSERT_TRUE(match);
ASSERT_EQ(Cst, (uint64_t)42);
ASSERT_EQ(Cst, 42);
}
TEST(PatternMatchInstr, MatchBinaryOp) {
@ -189,11 +189,11 @@ TEST(PatternMatchInstr, MatchBinaryOp) {
auto MIBMul2 = B.buildMul(s64, Copies[0], B.buildConstant(s64, 42));
// Try to match MUL(Cst, Reg) on src of MUL(Reg, Cst) to validate
// commutativity.
uint64_t Cst;
int64_t Cst;
match = mi_match(MIBMul2->getOperand(0).getReg(), MRI,
m_GMul(m_ICst(Cst), m_Reg(Src0)));
ASSERT_TRUE(match);
ASSERT_EQ(Cst, (uint64_t)42);
ASSERT_EQ(Cst, 42);
ASSERT_EQ(Src0, Copies[0]);
// Make sure commutative doesn't work with something like SUB.
@ -208,7 +208,7 @@ TEST(PatternMatchInstr, MatchBinaryOp) {
match = mi_match(MIBFMul->getOperand(0).getReg(), MRI,
m_GFMul(m_ICst(Cst), m_Reg(Src0)));
ASSERT_TRUE(match);
ASSERT_EQ(Cst, (uint64_t)42);
ASSERT_EQ(Cst, 42);
ASSERT_EQ(Src0, Copies[0]);
// Build AND %0, %1