1 ; RUN: llc < %s -mtriple=arm-linux-gnueabi 2 ; PR4528 3 4 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64" 5 target triple = "armv6-elf" 6 7 define i32 @file_read_actor(i32* nocapture %desc, i32* %page, i32 %offset, i32 %size) nounwind optsize { 8 entry: 9 br i1 undef, label %fault_in_pages_writeable.exit, label %bb5.i 10 11 bb5.i: ; preds = %entry 12 %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] 13 %0 = icmp eq i32 %asmtmp.i, 0 ; <i1> [#uses=1] 14 br i1 %0, label %bb6.i, label %fault_in_pages_writeable.exit 15 16 bb6.i: ; preds = %bb5.i 17 br i1 undef, label %fault_in_pages_writeable.exit, label %bb7.i 18 19 bb7.i: ; preds = %bb6.i 20 unreachable 21 22 fault_in_pages_writeable.exit: ; preds = %bb6.i, %bb5.i, %entry 23 br i1 undef, label %bb2, label %bb3 24 25 bb2: ; preds = %fault_in_pages_writeable.exit 26 unreachable 27 28 bb3: ; preds = %fault_in_pages_writeable.exit 29 %1 = tail call i32 @__copy_to_user(i8* undef, i8* undef, i32 undef) nounwind ; <i32> [#uses=0] 30 unreachable 31 } 32 33 declare i32 @__copy_to_user(i8*, i8*, i32) 34
