| ; RUN: llc < %s |
| ; PR6777 |
| |
| ; MachineSink shouldn't try to sink code in unreachable blocks, as it's |
| ; not worthwhile, and there are corner cases which it doesn't handle. |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define double @fn1(i8* %arg, i64 %arg1) { |
| Entry: |
| br i1 undef, label %Body, label %Exit |
| |
| Exit: ; preds = %Brancher7, %Entry |
| ret double undef |
| |
| Body: ; preds = %Entry |
| br i1 false, label %Brancher7, label %Body3 |
| |
| Body3: ; preds = %Body6, %Body3, %Body |
| br label %Body3 |
| |
| Body6: ; preds = %Brancher7 |
| %tmp = fcmp oeq double 0xC04FBB2E40000000, undef ; <i1> [#uses=1] |
| br i1 %tmp, label %Body3, label %Brancher7 |
| |
| Brancher7: ; preds = %Body6, %Body |
| %tmp2 = icmp ult i32 undef, 10 ; <i1> [#uses=1] |
| br i1 %tmp2, label %Body6, label %Exit |
| } |
