mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 04:30:23 +00:00
28aff84ceb
We rely on it when doing the transforms. This can happen when there is an indirectbr in the loop. Fixes PR13892. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164383 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
1.2 KiB
LLVM
35 lines
1.2 KiB
LLVM
; RUN: opt -S -loop-idiom < %s
|
|
; Don't crash
|
|
; PR13892
|
|
|
|
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-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define void @test(i32* %currMB) nounwind uwtable {
|
|
entry:
|
|
br i1 undef, label %start.exit, label %if.then.i
|
|
|
|
if.then.i: ; preds = %entry
|
|
unreachable
|
|
|
|
start.exit: ; preds = %entry
|
|
indirectbr i8* undef, [label %0, label %for.bodyprime]
|
|
|
|
; <label>:0 ; preds = %start.exit
|
|
unreachable
|
|
|
|
for.bodyprime: ; preds = %for.bodyprime, %start.exit
|
|
%i.057375 = phi i32 [ 0, %start.exit ], [ %1, %for.bodyprime ]
|
|
%arrayidx8prime = getelementptr inbounds i32* %currMB, i32 %i.057375
|
|
store i32 0, i32* %arrayidx8prime, align 4
|
|
%1 = add i32 %i.057375, 1
|
|
%cmp5prime = icmp slt i32 %1, 4
|
|
br i1 %cmp5prime, label %for.bodyprime, label %for.endprime
|
|
|
|
for.endprime: ; preds = %for.bodyprime
|
|
br label %for.body23prime
|
|
|
|
for.body23prime: ; preds = %for.body23prime, %for.endprime
|
|
br label %for.body23prime
|
|
}
|