llvm-for-llvmta/test/Transforms/LoopStrengthReduce/2011-07-19-CritEdgeBreakCra...

53 lines
2.2 KiB
LLVM

; ModuleID = '<stdin>'
; RUN: opt < %s -loop-reduce -S | FileCheck %s
; PR10386
declare i1 @foo()
declare i8* @bar(i8*,i8*,i8*,i8*)
define void @f(i64* %a,i64* %b,i64* %c,i64* %d,i64* %e,i64* %f,i64* %g) nounwind uwtable {
entry:
br label %b_throw.preheader
D_BREAK_LBL: ; preds = %indirectgoto
call i1 @foo()
br label %indirectgoto
H_CONST_LBL: ; preds = %indirectgoto
call i1 @foo()
br label %body_failed
H_MPZ_LBL: ; preds = %indirectgoto
%boo3 = call i1 @foo()
br i1 %boo3, label %body_failed, label %while.cond.i
while.cond.i: ; preds = %while.body.i15795, %if.then.i15791
%phi = phi i64 [ %tmp20916, %while.body.i15795 ], [ 0, %H_MPZ_LBL ]
%tmp20916 = add i64 %phi, 1
%incdec.ptr.i15793 = getelementptr i64, i64* %pc.0.lcssa.i1610719352, i64 %tmp20916
%boo2 = call i1 @foo()
br i1 %boo2, label %indirectgoto, label %while.body.i15795
while.body.i15795: ; preds = %while.cond.i
%tmp20.i = load i64, i64* %incdec.ptr.i15793, align 8
%boo1 = call i1 @foo()
br i1 %boo1, label %while.cond.i, label %body_failed
b_throw.preheader: ; preds = %body_failed, %entry
call i1 @foo()
br label %indirectgoto
body_failed:
%pc.0.lcssa.i1610719364 = phi i64* [ %pc.0.lcssa.i1610719352, %indirectgoto ], [ %pc.0.lcssa.i1610719352, %H_MPZ_LBL ], [ %b, %H_CONST_LBL ], [ %pc.0.lcssa.i1610719352, %while.body.i15795 ]
call i1 @foo()
br label %b_throw.preheader
indirectgoto:
%pc.0.lcssa.i1610719352 = phi i64* [ %pc.0.lcssa.i1610719352, %D_BREAK_LBL ], [ %a, %b_throw.preheader ], [ %d, %while.cond.i ]
%p = call i8* @bar(i8* blockaddress(@f, %D_BREAK_LBL), i8* blockaddress(@f, %H_CONST_LBL), i8* blockaddress(@f, %H_MPZ_LBL), i8* blockaddress(@f, %body_failed) )
indirectbr i8* %p, [label %D_BREAK_LBL, label %H_CONST_LBL, label %H_MPZ_LBL, label %body_failed]
}
; CHECK: %p = call i8* @bar(i8* blockaddress(@f, %D_BREAK_LBL), i8* blockaddress(@f, %H_CONST_LBL), i8* blockaddress(@f, %H_MPZ_LBL), i8* blockaddress(@f, %body_failed))
; CHECK: indirectbr i8* %p, [label %D_BREAK_LBL, label %H_CONST_LBL, label %H_MPZ_LBL, label %body_failed]