mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 23:42:52 +01:00
8c90c2b2d7
Indirect branch in the preheader crashes replaceCongruentIVs. Fixes rdar://12910141. llvm-svn: 171653
45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
; RUN: opt -loop-reduce -S < %s | FileCheck %s
|
|
;
|
|
; Indirect branch in the preheader crashes replaceCongruentIVs.
|
|
; rdar://12910141
|
|
|
|
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-f80:128:128-n8:16:32-S128"
|
|
|
|
; CHECK: @test
|
|
; CHECK: bb8:
|
|
; CHECK-NEXT: phi i8
|
|
; CHECK-NEXT: phi i8
|
|
; CHECK: ret void
|
|
define void @test() nounwind ssp {
|
|
bb:
|
|
br label %bb190
|
|
|
|
bb8: ; preds = %bb190, %bb11
|
|
%tmp = phi i8 [ %tmp14, %bb11 ], [ 25, %bb190 ]
|
|
%tmp9 = phi i8 [ %tmp12, %bb11 ], [ 25, %bb190 ]
|
|
%tmp10 = add i8 %tmp, -5
|
|
indirectbr i8* undef, [label %bb11, label %bb15]
|
|
|
|
bb11: ; preds = %bb8
|
|
%tmp12 = add i8 %tmp9, 1
|
|
%tmp13 = add i8 %tmp9, -19
|
|
%tmp14 = add i8 %tmp, 1
|
|
indirectbr i8* undef, [label %bb8]
|
|
|
|
bb15: ; preds = %bb8
|
|
indirectbr i8* undef, [label %bb16]
|
|
|
|
bb16: ; preds = %bb16, %bb15
|
|
indirectbr i8* undef, [label %bb37, label %bb190]
|
|
|
|
|
|
bb37: ; preds = %bb190
|
|
indirectbr i8* undef, [label %bb38]
|
|
|
|
bb38: ; preds = %bb37, %bb5
|
|
ret void
|
|
|
|
bb190: ; preds = %bb189, %bb187
|
|
indirectbr i8* undef, [label %bb37, label %bb8]
|
|
}
|