mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-05 17:30:02 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154908 91177308-0d34-0410-b5e6-96231b3b80d8
175 lines
7.3 KiB
LLVM
175 lines
7.3 KiB
LLVM
; RUN: llc < %s -march=x86 -disable-code-place | FileCheck %s
|
|
;
|
|
; Test RegistersDefinedFromSameValue. We have multiple copies of the same vreg:
|
|
; while.body85.i:
|
|
; vreg1 = copy vreg2
|
|
; vreg2 = add
|
|
; critical edge from land.lhs.true.i -> if.end117.i:
|
|
; vreg27 = vreg2
|
|
; critical edge from land.lhs.true103.i -> if.end117.i:
|
|
; vreg27 = vreg2
|
|
; if.then108.i:
|
|
; vreg27 = vreg1
|
|
;
|
|
; Prior to fixing PR10920 401.bzip miscompile, the coalescer would
|
|
; consider vreg1 and vreg27 to be copies of the same value. It would
|
|
; then remove one of the critical edge copes, which cannot safely be removed.
|
|
;
|
|
; CHECK: # %while.body85.i
|
|
; CHECK-NOT: # %
|
|
; CHECK-NOT: add
|
|
; CHECK: movl %[[POSTR:e[abcdxi]+]], %[[PRER:e[abcdxi]+]]
|
|
; CHECK: addl %{{.*}}, %[[POSTR]]
|
|
; CHECK: # %while.end.i
|
|
; CHECK: movl %[[POSTR]], %[[USER:e[abcdxi]+]]
|
|
; CHECK: # %land.lhs.true.i
|
|
; CHECK: movl %[[POSTR]], %[[USER]]
|
|
; CHECK: # %land.lhs.true103.i
|
|
; CHECK: movl %[[POSTR]], %[[USER]]
|
|
; CHECK: # %if.then108.i
|
|
; [[PRER] live out, so nothing on this path should define it.
|
|
; CHECK-NOT: , %[[PRER]]
|
|
; CHECK: # %if.end117.i
|
|
|
|
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"
|
|
|
|
@.str3 = external unnamed_addr constant [59 x i8], align 1
|
|
|
|
define void @BZ2_compressBlock() nounwind ssp {
|
|
entry:
|
|
br i1 undef, label %if.then68, label %if.end85
|
|
|
|
if.then68: ; preds = %entry
|
|
br label %for.body.i.i
|
|
|
|
for.body.i.i: ; preds = %for.inc.i.i, %if.then68
|
|
br i1 undef, label %for.inc.i.i, label %if.then.i.i
|
|
|
|
if.then.i.i: ; preds = %for.body.i.i
|
|
br label %for.inc.i.i
|
|
|
|
for.inc.i.i: ; preds = %if.then.i.i, %for.body.i.i
|
|
br i1 undef, label %makeMaps_e.exit.i, label %for.body.i.i
|
|
|
|
makeMaps_e.exit.i: ; preds = %for.inc.i.i
|
|
br i1 undef, label %for.cond19.preheader.i, label %for.cond.for.cond19.preheader_crit_edge.i
|
|
|
|
for.cond.for.cond19.preheader_crit_edge.i: ; preds = %makeMaps_e.exit.i
|
|
unreachable
|
|
|
|
for.cond19.preheader.i: ; preds = %makeMaps_e.exit.i
|
|
br i1 undef, label %for.body25.lr.ph.i, label %for.cond33.preheader.i
|
|
|
|
for.body25.lr.ph.i: ; preds = %for.cond19.preheader.i
|
|
br label %for.body25.i
|
|
|
|
for.cond33.preheader.i: ; preds = %for.body25.i, %for.cond19.preheader.i
|
|
br i1 undef, label %if.then.i, label %if.end.i
|
|
|
|
for.body25.i: ; preds = %for.body25.i, %for.body25.lr.ph.i
|
|
br i1 undef, label %for.body25.i, label %for.cond33.preheader.i
|
|
|
|
if.then.i: ; preds = %for.cond33.preheader.i
|
|
br label %if.end.i
|
|
|
|
if.end.i: ; preds = %if.then.i, %for.cond33.preheader.i
|
|
br i1 undef, label %for.inc27.us.5.i, label %for.end30.i
|
|
|
|
for.end30.i: ; preds = %for.inc27.us.5.i, %if.end.i
|
|
br i1 undef, label %if.end36.i, label %if.then35.i
|
|
|
|
if.then35.i: ; preds = %for.end30.i
|
|
unreachable
|
|
|
|
if.end36.i: ; preds = %for.end30.i
|
|
%sub83.i = add nsw i32 undef, 1
|
|
br label %while.body.i188
|
|
|
|
for.cond182.preheader.i: ; preds = %for.end173.i
|
|
br i1 undef, label %for.inc220.us.i, label %while.body300.preheader.i
|
|
|
|
while.body.i188: ; preds = %for.end173.i, %if.end36.i
|
|
%gs.0526.i = phi i32 [ 0, %if.end36.i ], [ %add177.i, %for.end173.i ]
|
|
%or.cond514517.i = and i1 false, undef
|
|
br i1 %or.cond514517.i, label %while.body85.i, label %if.end117.i
|
|
|
|
while.body85.i: ; preds = %while.body85.i, %while.body.i188
|
|
%aFreq.0518.i = phi i32 [ %add93.i, %while.body85.i ], [ 0, %while.body.i188 ]
|
|
%inc87.i = add nsw i32 0, 1
|
|
%tmp91.i = load i32* undef, align 4, !tbaa !0
|
|
%add93.i = add nsw i32 %tmp91.i, %aFreq.0518.i
|
|
%or.cond514.i = and i1 undef, false
|
|
br i1 %or.cond514.i, label %while.body85.i, label %while.end.i
|
|
|
|
while.end.i: ; preds = %while.body85.i
|
|
br i1 undef, label %land.lhs.true.i, label %if.end117.i
|
|
|
|
land.lhs.true.i: ; preds = %while.end.i
|
|
br i1 undef, label %land.lhs.true103.i, label %if.end117.i
|
|
|
|
land.lhs.true103.i: ; preds = %land.lhs.true.i
|
|
br i1 undef, label %if.then108.i, label %if.end117.i
|
|
|
|
if.then108.i: ; preds = %land.lhs.true103.i
|
|
br label %if.end117.i
|
|
|
|
if.end117.i: ; preds = %if.then108.i, %land.lhs.true103.i, %land.lhs.true.i, %while.end.i, %while.body.i188
|
|
%aFreq.1.i = phi i32 [ %aFreq.0518.i, %if.then108.i ], [ %add93.i, %land.lhs.true103.i ], [ %add93.i, %land.lhs.true.i ], [ %add93.i, %while.end.i ], [ 0, %while.body.i188 ]
|
|
%ge.1.i = phi i32 [ 0, %if.then108.i ], [ %inc87.i, %land.lhs.true103.i ], [ %inc87.i, %land.lhs.true.i ], [ %inc87.i, %while.end.i ], [ 0, %while.body.i188 ]
|
|
br i1 undef, label %if.then122.i, label %for.cond138.preheader.i
|
|
|
|
if.then122.i: ; preds = %if.end117.i
|
|
call void (...)* @fprintf(i32 undef, i32 %gs.0526.i, i32 %ge.1.i, i32 %aFreq.1.i, double undef) nounwind
|
|
br label %for.cond138.preheader.i
|
|
|
|
for.cond138.preheader.i: ; preds = %if.then122.i, %if.end117.i
|
|
br i1 undef, label %for.body143.lr.ph.i, label %for.end173.i
|
|
|
|
for.body143.lr.ph.i: ; preds = %for.cond138.preheader.i
|
|
br label %for.body143.i
|
|
|
|
for.body143.i: ; preds = %for.body143.i, %for.body143.lr.ph.i
|
|
br i1 undef, label %for.end173.i, label %for.body143.i
|
|
|
|
for.end173.i: ; preds = %for.body143.i, %for.cond138.preheader.i
|
|
%add177.i = add nsw i32 %ge.1.i, 1
|
|
%cmp73.i = icmp sgt i32 undef, 0
|
|
br i1 %cmp73.i, label %while.body.i188, label %for.cond182.preheader.i
|
|
|
|
for.inc220.us.i: ; preds = %for.cond182.preheader.i
|
|
unreachable
|
|
|
|
while.body300.preheader.i: ; preds = %for.cond182.preheader.i
|
|
br i1 undef, label %for.end335.i, label %while.end2742.i
|
|
|
|
for.end335.i: ; preds = %for.end2039.i, %while.body300.preheader.i
|
|
br label %for.body2021.i
|
|
|
|
for.body2021.i: ; preds = %for.body2021.i, %for.end335.i
|
|
br i1 undef, label %for.body2021.i, label %for.end2039.i
|
|
|
|
for.end2039.i: ; preds = %for.body2021.i
|
|
br label %for.end335.i
|
|
|
|
while.end2742.i: ; preds = %while.body300.preheader.i
|
|
br i1 undef, label %if.then2748.i, label %for.body2778.i
|
|
|
|
if.then2748.i: ; preds = %while.end2742.i
|
|
unreachable
|
|
|
|
for.body2778.i: ; preds = %while.end2742.i
|
|
unreachable
|
|
|
|
for.inc27.us.5.i: ; preds = %if.end.i
|
|
br label %for.end30.i
|
|
|
|
if.end85: ; preds = %entry
|
|
ret void
|
|
}
|
|
|
|
declare void @fprintf(...) nounwind
|
|
|
|
!0 = metadata !{metadata !"int", metadata !1}
|
|
!1 = metadata !{metadata !"omnipotent char", metadata !2}
|
|
!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
|