| Evan Cheng | c429ff5 | 2010-01-07 00:54:06 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=x86 | FileCheck %s |
| Dan Gohman | 563db99 | 2009-04-03 20:11:30 +0000 | [diff] [blame] | 2 | |
| 3 | ; Don't duplicate the load. |
| 4 | |
| 5 | define fastcc i32 @foo(i32* %p) nounwind { |
| Evan Cheng | c429ff5 | 2010-01-07 00:54:06 +0000 | [diff] [blame^] | 6 | ; CHECK: foo: |
| 7 | ; CHECK: andl $10, %eax |
| 8 | ; CHECK: je |
| Dan Gohman | 563db99 | 2009-04-03 20:11:30 +0000 | [diff] [blame] | 9 | %t0 = load i32* %p |
| 10 | %t2 = and i32 %t0, 10 |
| 11 | %t3 = icmp ne i32 %t2, 0 |
| 12 | br i1 %t3, label %bb63, label %bb76 |
| Dan Gohman | 563db99 | 2009-04-03 20:11:30 +0000 | [diff] [blame] | 13 | bb63: |
| 14 | ret i32 %t2 |
| Dan Gohman | 563db99 | 2009-04-03 20:11:30 +0000 | [diff] [blame] | 15 | bb76: |
| 16 | ret i32 0 |
| 17 | } |
| Evan Cheng | c429ff5 | 2010-01-07 00:54:06 +0000 | [diff] [blame^] | 18 | |
| 19 | define fastcc double @bar(i32 %hash, double %x, double %y) nounwind { |
| 20 | entry: |
| 21 | ; CHECK: bar: |
| 22 | %0 = and i32 %hash, 15 |
| 23 | %1 = icmp ult i32 %0, 8 |
| 24 | br i1 %1, label %bb11, label %bb10 |
| 25 | |
| 26 | bb10: |
| 27 | ; CHECK: bb10 |
| 28 | ; CHECK: testb $1 |
| 29 | %2 = and i32 %hash, 1 |
| 30 | %3 = icmp eq i32 %2, 0 |
| 31 | br i1 %3, label %bb13, label %bb11 |
| 32 | |
| 33 | bb11: |
| 34 | %4 = fsub double -0.000000e+00, %x |
| 35 | br label %bb13 |
| 36 | |
| 37 | bb13: |
| 38 | ; CHECK: bb13 |
| 39 | ; CHECK: testb $2 |
| 40 | %iftmp.9.0 = phi double [ %4, %bb11 ], [ %x, %bb10 ] |
| 41 | %5 = and i32 %hash, 2 |
| 42 | %6 = icmp eq i32 %5, 0 |
| 43 | br i1 %6, label %bb16, label %bb14 |
| 44 | |
| 45 | bb14: |
| 46 | %7 = fsub double -0.000000e+00, %y |
| 47 | br label %bb16 |
| 48 | |
| 49 | bb16: |
| 50 | %iftmp.10.0 = phi double [ %7, %bb14 ], [ %y, %bb13 ] |
| 51 | %8 = fadd double %iftmp.9.0, %iftmp.10.0 |
| 52 | ret double %8 |
| 53 | } |