mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
ab043ff680
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
llvm-svn: 230794
85 lines
3.3 KiB
LLVM
85 lines
3.3 KiB
LLVM
; RUN: opt -loop-reduce -S < %s | FileCheck %s
|
|
;
|
|
; LTO of clang, which mistakenly uses no TargetLoweringInfo, causes a
|
|
; miscompile. ReuseOrCreateCast replace ptrtoint operand with undef.
|
|
; Reproducing the miscompile requires no triple, hence no "TTI".
|
|
; rdar://13007381
|
|
|
|
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"
|
|
|
|
; Verify that nothing uses the "dead" ptrtoint from "undef".
|
|
; CHECK-LABEL: @VerifyDiagnosticConsumerTest(
|
|
; CHECK: bb:
|
|
; "dead" ptrpoint not emitted (or dead code eliminated) with
|
|
; current LSR cost model.
|
|
; CHECK-NOT: = ptrtoint i8* undef to i64
|
|
; CHECK: .lr.ph
|
|
; CHECK: [[TMP:%[^ ]+]] = add i64 %tmp5, 1
|
|
; CHECK: sub i64 [[TMP]], %tmp6
|
|
; CHECK: ret void
|
|
define void @VerifyDiagnosticConsumerTest() unnamed_addr nounwind uwtable align 2 {
|
|
bb:
|
|
%tmp3 = call i8* @getCharData() nounwind
|
|
%tmp4 = call i8* @getCharData() nounwind
|
|
%tmp5 = ptrtoint i8* %tmp4 to i64
|
|
%tmp6 = ptrtoint i8* %tmp3 to i64
|
|
%tmp7 = sub i64 %tmp5, %tmp6
|
|
br i1 undef, label %bb87, label %.preheader
|
|
|
|
.preheader: ; preds = %bb10, %bb
|
|
br i1 undef, label %_ZNK4llvm9StringRef4findEcm.exit42.thread, label %bb10
|
|
|
|
bb10: ; preds = %.preheader
|
|
br i1 undef, label %_ZNK4llvm9StringRef4findEcm.exit42, label %.preheader
|
|
|
|
_ZNK4llvm9StringRef4findEcm.exit42: ; preds = %bb10
|
|
br i1 undef, label %_ZNK4llvm9StringRef4findEcm.exit42.thread, label %.lr.ph
|
|
|
|
_ZNK4llvm9StringRef4findEcm.exit42.thread: ; preds = %_ZNK4llvm9StringRef4findEcm.exit42, %.preheader
|
|
unreachable
|
|
|
|
.lr.ph: ; preds = %_ZNK4llvm9StringRef4findEcm.exit42
|
|
br label %bb36
|
|
|
|
_ZNK4llvm9StringRef4findEcm.exit.loopexit: ; preds = %bb63
|
|
%tmp21 = icmp eq i64 %i.0.i, -1
|
|
br i1 %tmp21, label %_ZNK4llvm9StringRef4findEcm.exit._crit_edge, label %bb36
|
|
|
|
_ZNK4llvm9StringRef4findEcm.exit._crit_edge: ; preds = %bb61, %_ZNK4llvm9StringRef4findEcm.exit.loopexit
|
|
unreachable
|
|
|
|
bb36: ; preds = %_ZNK4llvm9StringRef4findEcm.exit.loopexit, %.lr.ph
|
|
%loc.063 = phi i64 [ undef, %.lr.ph ], [ %i.0.i, %_ZNK4llvm9StringRef4findEcm.exit.loopexit ]
|
|
switch i8 undef, label %bb57 [
|
|
i8 10, label %bb48
|
|
i8 13, label %bb48
|
|
]
|
|
|
|
bb48: ; preds = %bb36, %bb36
|
|
br label %bb58
|
|
|
|
bb57: ; preds = %bb36
|
|
br label %bb58
|
|
|
|
bb58: ; preds = %bb57, %bb48
|
|
%tmp59 = icmp ugt i64 %tmp7, undef
|
|
%tmp60 = select i1 %tmp59, i64 undef, i64 %tmp7
|
|
br label %bb61
|
|
|
|
bb61: ; preds = %bb63, %bb58
|
|
%i.0.i = phi i64 [ %tmp60, %bb58 ], [ %tmp67, %bb63 ]
|
|
%tmp62 = icmp eq i64 %i.0.i, %tmp7
|
|
br i1 %tmp62, label %_ZNK4llvm9StringRef4findEcm.exit._crit_edge, label %bb63
|
|
|
|
bb63: ; preds = %bb61
|
|
%tmp64 = getelementptr inbounds i8, i8* %tmp3, i64 %i.0.i
|
|
%tmp65 = load i8, i8* %tmp64, align 1
|
|
%tmp67 = add i64 %i.0.i, 1
|
|
br i1 undef, label %_ZNK4llvm9StringRef4findEcm.exit.loopexit, label %bb61
|
|
|
|
bb87: ; preds = %bb
|
|
ret void
|
|
}
|
|
|
|
declare i8* @getCharData()
|