[X86] Add test case for PR32690
llvm-svn: 323760
diff --git a/llvm/test/CodeGen/X86/add-i64.ll b/llvm/test/CodeGen/X86/add-i64.ll
new file mode 100644
index 0000000..4edc6aa
--- /dev/null
+++ b/llvm/test/CodeGen/X86/add-i64.ll
@@ -0,0 +1,27 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86
+; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefixes=X64
+
+define i32 @pr32690(i32) {
+; X86-LABEL: pr32690:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: xorl %eax, %eax
+; X86-NEXT: addl $63, %ecx
+; X86-NEXT: setb %al
+; X86-NEXT: shldl $26, %ecx, %eax
+; X86-NEXT: retl
+;
+; X64-LABEL: pr32690:
+; X64: # %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: addq $63, %rax
+; X64-NEXT: shrq $6, %rax
+; X64-NEXT: # kill: def %eax killed %eax killed %rax
+; X64-NEXT: retq
+ %2 = zext i32 %0 to i64
+ %3 = add nuw nsw i64 %2, 63
+ %4 = lshr i64 %3, 6
+ %5 = trunc i64 %4 to i32
+ ret i32 %5
+}