diff options
Diffstat (limited to 'test/CodeGen/X86/umul-with-overflow.ll')
| -rw-r--r-- | test/CodeGen/X86/umul-with-overflow.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/X86/umul-with-overflow.ll b/test/CodeGen/X86/umul-with-overflow.ll index c997661..84fcbc7 100644 --- a/test/CodeGen/X86/umul-with-overflow.ll +++ b/test/CodeGen/X86/umul-with-overflow.ll @@ -12,3 +12,27 @@ define i1 @a(i32 %x) zeroext nounwind { ; CHECK: movzbl %al, %eax ; CHECK: ret } + +define i32 @test2(i32 %a, i32 %b) nounwind readnone { +entry: + %tmp0 = add i32 %b, %a + %tmp1 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %tmp0, i32 2) + %tmp2 = extractvalue { i32, i1 } %tmp1, 0 + ret i32 %tmp2 +; CHECK: test2: +; CHECK: addl +; CHECK-NEXT: addl +; CHECK-NEXT: ret +} + +define i32 @test3(i32 %a, i32 %b) nounwind readnone { +entry: + %tmp0 = add i32 %b, %a + %tmp1 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %tmp0, i32 4) + %tmp2 = extractvalue { i32, i1 } %tmp1, 0 + ret i32 %tmp2 +; CHECK: test3: +; CHECK: addl +; CHECK: mull +; CHECK-NEXT: ret +} |
