mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
2dc50d3067
This will make it easier to turn on struct-path aware TBAA since the metadata format will change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180796 91177308-0d34-0410-b5e6-96231b3b80d8
87 lines
3.4 KiB
LLVM
87 lines
3.4 KiB
LLVM
; RUN: opt -loop-reduce -S < %s | FileCheck %s
|
|
;
|
|
; PR11356: likely wrong code bug
|
|
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-apple-darwin"
|
|
|
|
@g_66 = global [1 x i32] zeroinitializer, align 4
|
|
@g_775 = global i32 0, align 4
|
|
@g_752 = global i32 0, align 4
|
|
@g_3 = global i32 0, align 4
|
|
|
|
; Ensure that %div.i.i.us is not hoisted.
|
|
; CHECK: @main
|
|
; CHECK: for.body.i.i.us:
|
|
; CHECK: %div.i.i.i.us
|
|
; CHECK: %cmp5.i.i.us
|
|
define i32 @main() nounwind uwtable ssp {
|
|
entry:
|
|
%l_2 = alloca [1 x i32], align 4
|
|
%arrayidx = getelementptr inbounds [1 x i32]* %l_2, i64 0, i64 0
|
|
store i32 0, i32* %arrayidx, align 4
|
|
%tmp = load i32* @g_3, align 4
|
|
%idxprom = sext i32 %tmp to i64
|
|
%arrayidx1 = getelementptr inbounds [1 x i32]* %l_2, i64 0, i64 %idxprom
|
|
%tmp1 = load i32* %arrayidx1, align 4
|
|
%conv.i.i = and i32 %tmp1, 65535
|
|
%tobool.i.i.i = icmp ne i32 %tmp, 0
|
|
br label %codeRepl
|
|
|
|
codeRepl.loopexit.us-lcssa: ; preds = %for.body.i.i, %codeRepl5
|
|
br label %codeRepl.loopexit
|
|
|
|
codeRepl.loopexit: ; preds = %codeRepl.loopexit.us-lcssa.us, %codeRepl.loopexit.us-lcssa
|
|
br label %codeRepl
|
|
|
|
codeRepl: ; preds = %codeRepl.loopexit, %entry
|
|
br i1 %tobool.i.i.i, label %codeRepl.split.us, label %codeRepl.codeRepl.split_crit_edge
|
|
|
|
codeRepl.codeRepl.split_crit_edge: ; preds = %codeRepl
|
|
br label %codeRepl.split
|
|
|
|
codeRepl.split.us: ; preds = %codeRepl
|
|
br label %for.cond.i.i.us
|
|
|
|
for.cond.i.i.us: ; preds = %for.inc.i.i.us, %codeRepl.split.us
|
|
%tmp2 = phi i32 [ 0, %codeRepl.split.us ], [ %add.i.i.us, %for.inc.i.i.us ]
|
|
br label %codeRepl5.us
|
|
|
|
for.inc.i.i.us: ; preds = %for.body.i.i.us
|
|
%add.i.i.us = add nsw i32 %tmp2, 1
|
|
store i32 %add.i.i.us, i32* @g_752, align 4
|
|
br label %for.cond.i.i.us
|
|
|
|
for.body.i.i.us: ; preds = %codeRepl5.us
|
|
%div.i.i.i.us = udiv i32 1, %conv.i.i
|
|
%cmp5.i.i.us = icmp eq i32 %div.i.i.i.us, %tmp2
|
|
br i1 %cmp5.i.i.us, label %codeRepl.loopexit.us-lcssa.us, label %for.inc.i.i.us
|
|
|
|
codeRepl5.us: ; preds = %for.cond.i.i.us
|
|
br i1 true, label %codeRepl.loopexit.us-lcssa.us, label %for.body.i.i.us
|
|
|
|
codeRepl.loopexit.us-lcssa.us: ; preds = %codeRepl5.us, %for.body.i.i.us
|
|
br label %codeRepl.loopexit
|
|
|
|
codeRepl.split: ; preds = %codeRepl.codeRepl.split_crit_edge
|
|
br label %for.cond.i.i
|
|
|
|
for.cond.i.i: ; preds = %for.inc.i.i, %codeRepl.split
|
|
%tmp3 = phi i32 [ 0, %codeRepl.split ], [ %add.i.i, %for.inc.i.i ]
|
|
br label %codeRepl5
|
|
|
|
codeRepl5: ; preds = %for.cond.i.i
|
|
br i1 true, label %codeRepl.loopexit.us-lcssa, label %for.body.i.i
|
|
|
|
for.body.i.i: ; preds = %codeRepl5
|
|
%cmp5.i.i = icmp eq i32 0, %tmp3
|
|
br i1 %cmp5.i.i, label %codeRepl.loopexit.us-lcssa, label %for.inc.i.i
|
|
|
|
for.inc.i.i: ; preds = %for.body.i.i
|
|
%add.i.i = add nsw i32 %tmp3, 1
|
|
store i32 %add.i.i, i32* @g_752, align 4
|
|
br label %for.cond.i.i
|
|
|
|
func_4.exit: ; No predecessors!
|
|
ret i32 0
|
|
}
|