| Jakob Stoklund Olesen | 4180d48 | 2010-07-10 16:30:25 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 | FileCheck %s |
| Rafael Espindola | 84dcc01 | 2009-06-21 12:02:51 +0000 | [diff] [blame] | 2 | ; PR4185 |
| 3 | |
| Jakob Stoklund Olesen | 4180d48 | 2010-07-10 16:30:25 +0000 | [diff] [blame] | 4 | ; Passing a non-killed value to asm in {st}. |
| 5 | ; Make sure it is duped before. |
| 6 | ; asm kills st(0), so we shouldn't pop anything |
| 7 | ; CHECK: fld %st(0) |
| 8 | ; CHECK: fistpl |
| 9 | ; CHECK-NOT: fstp |
| 10 | ; CHECK: fistpl |
| 11 | ; CHECK-NOT: fstp |
| 12 | ; CHECK: ret |
| Rafael Espindola | 84dcc01 | 2009-06-21 12:02:51 +0000 | [diff] [blame] | 13 | define void @test() { |
| 14 | return: |
| 15 | call void asm sideeffect "fistpl $0", "{st}"(double 1.000000e+06) |
| 16 | call void asm sideeffect "fistpl $0", "{st}"(double 1.000000e+06) |
| 17 | ret void |
| 18 | } |
| Jakob Stoklund Olesen | 4180d48 | 2010-07-10 16:30:25 +0000 | [diff] [blame] | 19 | |
| 20 | ; A valid alternative would be to remat the constant pool load before each |
| 21 | ; inline asm. |