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[ConstantRange] Try to fix compiler warnings; NFC

Try to fix "ignoring return value" and "default label" errors on
clang-with-thin-lto-ubuntu buildbot.

llvm-svn: 356286
This commit is contained in:
Nikita Popov 2019-03-15 18:08:06 +00:00
parent 4b688aacf8
commit 90b37181cd

View File

@ -1318,9 +1318,9 @@ static void TestOverflowExhaustive(Fn1 OverflowFn, Fn2 MayOverflowFn) {
bool RangeHasOverflow = false;
bool RangeHasNoOverflow = false;
APInt N1(Bits, Lo1);
for (unsigned I1 = 0; I1 < Size1; I1++, N1++) {
for (unsigned I1 = 0; I1 < Size1; ++I1, ++N1) {
APInt N2(Bits, Lo2);
for (unsigned I2 = 0; I2 < Size2; I2++, N2++) {
for (unsigned I2 = 0; I2 < Size2; ++I2, ++N2) {
assert(CR1.contains(N1));
assert(CR2.contains(N2));
@ -1351,8 +1351,6 @@ static void TestOverflowExhaustive(Fn1 OverflowFn, Fn2 MayOverflowFn) {
EXPECT_TRUE(RangeHasOverflow);
EXPECT_TRUE(RangeHasNoOverflow);
break;
default:
llvm_unreachable("Invalid enum return value");
}
}
}
@ -1364,7 +1362,7 @@ TEST_F(ConstantRangeTest, UnsignedAddOverflowExhautive) {
TestOverflowExhaustive(
[](const APInt &N1, const APInt &N2) {
bool Overflow;
N1.uadd_ov(N2, Overflow);
(void) N1.uadd_ov(N2, Overflow);
return Overflow;
},
[](const ConstantRange &CR1, const ConstantRange &CR2) {
@ -1376,7 +1374,7 @@ TEST_F(ConstantRangeTest, UnsignedSubOverflowExhautive) {
TestOverflowExhaustive(
[](const APInt &N1, const APInt &N2) {
bool Overflow;
N1.usub_ov(N2, Overflow);
(void) N1.usub_ov(N2, Overflow);
return Overflow;
},
[](const ConstantRange &CR1, const ConstantRange &CR2) {
@ -1388,7 +1386,7 @@ TEST_F(ConstantRangeTest, SignedAddOverflowExhautive) {
TestOverflowExhaustive(
[](const APInt &N1, const APInt &N2) {
bool Overflow;
N1.sadd_ov(N2, Overflow);
(void) N1.sadd_ov(N2, Overflow);
return Overflow;
},
[](const ConstantRange &CR1, const ConstantRange &CR2) {
@ -1400,7 +1398,7 @@ TEST_F(ConstantRangeTest, SignedSubOverflowExhautive) {
TestOverflowExhaustive(
[](const APInt &N1, const APInt &N2) {
bool Overflow;
N1.ssub_ov(N2, Overflow);
(void) N1.ssub_ov(N2, Overflow);
return Overflow;
},
[](const ConstantRange &CR1, const ConstantRange &CR2) {