[llvm] r323760 - [X86] Add test case for PR32690

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Tue Jan 30 06:15:51 2018
New Revision: 323760

URL: http://llvm.org/viewvc/llvm-project?rev=323760&view=rev
Log:
[X86] Add test case for PR32690

Added:
    llvm/trunk/test/CodeGen/X86/add-i64.ll

Added: llvm/trunk/test/CodeGen/X86/add-i64.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/add-i64.ll?rev=323760&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/add-i64.ll (added)
+++ llvm/trunk/test/CodeGen/X86/add-i64.ll Tue Jan 30 06:15:51 2018
@@ -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
+}