| Chandler Carruth | f3f955b | 2011-06-28 02:03:10 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 | FileCheck %s |
| Chris Lattner | 07649d9 | 2008-01-08 23:08:06 +0000 | [diff] [blame] | 2 | ; This should not load or store the top part of *P. |
| 3 | |
| 4 | define void @test(i64* %P) nounwind { |
| Chandler Carruth | f3f955b | 2011-06-28 02:03:10 +0000 | [diff] [blame] | 5 | ; CHECK: test: |
| 6 | ; CHECK: movl 4(%esp), %[[REGISTER:.*]] |
| 7 | ; CHECK-NOT: 4(%[[REGISTER]]) |
| 8 | ; CHECK: ret |
| Chris Lattner | 07649d9 | 2008-01-08 23:08:06 +0000 | [diff] [blame] | 9 | %tmp1 = load i64* %P, align 8 ; <i64> [#uses=1] |
| 10 | %tmp2 = xor i64 %tmp1, 1 ; <i64> [#uses=1] |
| 11 | store i64 %tmp2, i64* %P, align 8 |
| 12 | ret void |
| 13 | } |
| 14 | |