diff options
Diffstat (limited to 'test/CodeGen/X86/add.ll')
-rw-r--r-- | test/CodeGen/X86/add.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/X86/add.ll b/test/CodeGen/X86/add.ll index 3991a68..3ec5358 100644 --- a/test/CodeGen/X86/add.ll +++ b/test/CodeGen/X86/add.ll @@ -92,3 +92,43 @@ define i64 @test6(i64 %A, i32 %B) nounwind { ; X64: ret } +define {i32, i1} @test7(i32 %v1, i32 %v2) nounwind { + %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) + ret {i32, i1} %t +} + +; X64: test7: +; X64: addl %esi, %eax +; X64-NEXT: setb %dl +; X64-NEXT: ret + +; PR5443 +define {i64, i1} @test8(i64 %left, i64 %right) nounwind { +entry: + %extleft = zext i64 %left to i65 + %extright = zext i64 %right to i65 + %sum = add i65 %extleft, %extright + %res.0 = trunc i65 %sum to i64 + %overflow = and i65 %sum, -18446744073709551616 + %res.1 = icmp ne i65 %overflow, 0 + %final0 = insertvalue {i64, i1} undef, i64 %res.0, 0 + %final1 = insertvalue {i64, i1} %final0, i1 %res.1, 1 + ret {i64, i1} %final1 +} + +; X64: test8: +; X64: addq +; X64-NEXT: sbbq +; X64-NEXT: testb + +define i32 @test9(i32 %x, i32 %y) nounwind readnone { + %cmp = icmp eq i32 %x, 10 + %sub = sext i1 %cmp to i32 + %cond = add i32 %sub, %y + ret i32 %cond +; X64: test9: +; X64: cmpl $10 +; X64: sete +; X64: subl +; X64: ret +} |