| Dan Gohman | d7140f1 | 2010-01-21 02:09:26 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86-64 | FileCheck %s |
| Dan Gohman | 14d2c10 | 2010-01-11 17:37:57 +0000 | [diff] [blame] | 2 | |
| 3 | ; CodeGen should remat the zero instead of spilling it. |
| 4 | |
| 5 | declare void @foo(i64 %p) |
| 6 | |
| Dan Gohman | d7140f1 | 2010-01-21 02:09:26 +0000 | [diff] [blame] | 7 | ; CHECK: bar: |
| 8 | ; CHECK: xorl %edi, %edi |
| 9 | ; CHECK: xorl %edi, %edi |
| Dan Gohman | 14d2c10 | 2010-01-11 17:37:57 +0000 | [diff] [blame] | 10 | define void @bar() nounwind { |
| 11 | call void @foo(i64 0) |
| 12 | call void @foo(i64 0) |
| Dan Gohman | 14d2c10 | 2010-01-11 17:37:57 +0000 | [diff] [blame] | 13 | ret void |
| 14 | } |
| Dan Gohman | d7140f1 | 2010-01-21 02:09:26 +0000 | [diff] [blame] | 15 | |
| 16 | ; CHECK: bat: |
| 17 | ; CHECK: movq $-1, %rdi |
| 18 | ; CHECK: movq $-1, %rdi |
| 19 | define void @bat() nounwind { |
| 20 | call void @foo(i64 -1) |
| 21 | call void @foo(i64 -1) |
| 22 | ret void |
| 23 | } |
| 24 | |
| 25 | ; CHECK: bau: |
| 26 | ; CHECK: movl $1, %edi |
| 27 | ; CHECK: movl $1, %edi |
| 28 | define void @bau() nounwind { |
| 29 | call void @foo(i64 1) |
| 30 | call void @foo(i64 1) |
| 31 | ret void |
| 32 | } |
| 33 | |