diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/GlobalISel/legalize-mul.mir | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/GlobalISel/legalize-mul.mir b/llvm/test/CodeGen/AArch64/GlobalISel/legalize-mul.mir index e56eef0bc4f..36726b7a30c 100644 --- a/llvm/test/CodeGen/AArch64/GlobalISel/legalize-mul.mir +++ b/llvm/test/CodeGen/AArch64/GlobalISel/legalize-mul.mir @@ -7,6 +7,7 @@ entry: ret void } + define void @test_mul_overflow() { ret void } ... --- @@ -35,3 +36,22 @@ body: | %5(s64) = G_ANYEXT %2 %x0 = COPY %5 ... + + +--- +name: test_mul_overflow +body: | + bb.0: + liveins: %x0, %x1, %w2, %w3 + + %0:_(s64) = COPY %x0 + %1:_(s64) = COPY %x1 + + ; CHECK-LABEL: name: test_mul_overflow + ; CHECK: %2(s64) = G_MUL %0, %1 + ; CHECK: [[HI:%[0-9]+]](s64) = G_SMULH %0, %1 + ; CHECK: [[ZERO:%[0-9]+]](s64) = G_CONSTANT i64 0 + ; CHECK: %3(s1) = G_ICMP intpred(ne), [[HI]](s64), [[ZERO]] + %2:_(s64), %3:_(s1) = G_SMULO %0, %1 + +... |

