| Rafael Espindola | 2bbaf4d | 2010-06-15 20:42:00 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=arm-linux-gnueabi |
| Evan Cheng | 7d35249 | 2009-08-04 16:52:44 +0000 | [diff] [blame] | 2 | ; PR4528 |
| 3 | |
| Rafael Espindola | 2ebb4f8 | 2010-06-15 19:04:29 +0000 | [diff] [blame] | 4 | define i32 @file_read_actor(i32 %desc, i32 %page, i32 %offset, i32 %size) nounwind optsize { |
| Evan Cheng | 7d35249 | 2009-08-04 16:52:44 +0000 | [diff] [blame] | 5 | entry: |
| 6 | br i1 undef, label %fault_in_pages_writeable.exit, label %bb5.i |
| 7 | |
| 8 | bb5.i: ; preds = %entry |
| 9 | %asmtmp.i = tail call i32 asm sideeffect "1:\09strbt\09$1,[$2]\0A2:\0A\09.section .fixup,\22ax\22\0A\09.align\092\0A3:\09mov\09$0, $3\0A\09b\092b\0A\09.previous\0A\09.section __ex_table,\22a\22\0A\09.align\093\0A\09.long\091b, 3b\0A\09.previous", "=r,r,r,i,0,~{cc}"(i8 0, i32 undef, i32 -14, i32 0) nounwind ; <i32> [#uses=1] |
| 10 | br label %fault_in_pages_writeable.exit |
| 11 | |
| 12 | fault_in_pages_writeable.exit: ; preds = %bb5.i, %entry |
| 13 | %0 = phi i32 [ 0, %entry ], [ %asmtmp.i, %bb5.i ] ; <i32> [#uses=1] |
| 14 | %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1] |
| 15 | br i1 %1, label %bb2, label %bb3 |
| 16 | |
| 17 | bb2: ; preds = %fault_in_pages_writeable.exit |
| 18 | unreachable |
| 19 | |
| 20 | bb3: ; preds = %fault_in_pages_writeable.exit |
| Rafael Espindola | 2ebb4f8 | 2010-06-15 19:04:29 +0000 | [diff] [blame] | 21 | %2 = tail call i32 @__copy_to_user(i8* undef, i8* undef, i32 undef) nounwind ; <i32> [#uses=0] |
| Evan Cheng | 7d35249 | 2009-08-04 16:52:44 +0000 | [diff] [blame] | 22 | unreachable |
| 23 | } |
| 24 | |
| Rafael Espindola | 2ebb4f8 | 2010-06-15 19:04:29 +0000 | [diff] [blame] | 25 | declare i32 @__copy_to_user(i8*, i8*, i32) |