From: Amaury Sechet <deadalnix@gmail.com>
Date: Tue, 2 May 2017 16:07:32 +0000 (+0000)
Subject: Add new test case for addcarry. NFC.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=20c757b9a3e8e710ab7a4e8167a7c13fe572cf6f;p=llvm

Add new test case for addcarry. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301932 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/adde-carry.ll b/test/CodeGen/X86/addcarry.ll
similarity index 92%
rename from test/CodeGen/X86/adde-carry.ll
rename to test/CodeGen/X86/addcarry.ll
index e6189f4a218..6fc07cd84de 100644
--- a/test/CodeGen/X86/adde-carry.ll
+++ b/test/CodeGen/X86/addcarry.ll
@@ -186,3 +186,21 @@ entry:
   store i32 %19, i32* %15, align 4
   ret void
 }
+
+define i64 @shiftadd(i64 %a, i64 %b, i64 %c, i64 %d) {
+; CHECK-LABEL: shiftadd:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    leaq (%rdx,%rcx), %rax
+; CHECK-NEXT:    addq %rsi, %rdi
+; CHECK-NEXT:    adcq $0, %rax
+; CHECK-NEXT:    retq
+entry:
+  %0 = zext i64 %a to i128
+  %1 = zext i64 %b to i128
+  %2 = add i128 %0, %1
+  %3 = lshr i128 %2, 64
+  %4 = trunc i128 %3 to i64
+  %5 = add i64 %c, %d
+  %6 = add i64 %4, %5
+  ret i64 %6
+}