| ; RUN: llc < %s -print-lsr-output |& FileCheck %s |
| |
| ; The icmp is a post-inc use, and the increment is in %bb11, but the |
| ; scevgep needs to be inserted in %bb so that it is dominated by %t. |
| |
| ; CHECK: %t = load i8** undef |
| ; CHECK: %scevgep = getelementptr i8* %t, i32 %lsr.iv.next |
| ; CHECK: %c1 = icmp ult i8* %scevgep, undef |
| |
| target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128-n32" |
| target triple = "powerpc-apple-darwin9" |
| |
| define void @foo() nounwind { |
| entry: |
| br label %bb11 |
| |
| bb11: |
| %i = phi i32 [ 0, %entry ], [ %i.next, %bb ] ; <i32> [#uses=3] |
| %ii = shl i32 %i, 2 ; <i32> [#uses=1] |
| %c0 = icmp eq i32 %i, undef ; <i1> [#uses=1] |
| br i1 %c0, label %bb13, label %bb |
| |
| bb: |
| %t = load i8** undef, align 16 ; <i8*> [#uses=1] |
| %p = getelementptr i8* %t, i32 %ii ; <i8*> [#uses=1] |
| %c1 = icmp ult i8* %p, undef ; <i1> [#uses=1] |
| %i.next = add i32 %i, 1 ; <i32> [#uses=1] |
| br i1 %c1, label %bb11, label %bb13 |
| |
| bb13: |
| unreachable |
| } |
