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-rw-r--r--llvm/test/CodeGen/X86/add.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/add.ll b/llvm/test/CodeGen/X86/add.ll
index 1201c06fcce..d6e99ee1a7e 100644
--- a/llvm/test/CodeGen/X86/add.ll
+++ b/llvm/test/CodeGen/X86/add.ll
@@ -101,3 +101,22 @@ define {i32, i1} @test7(i32 %v1, i32 %v2) nounwind {
; 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
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