blob: 35f69175a86aa2e0de84e9d6e3efd981f7123fe1 [file] [log] [blame]
; 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) {
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