mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
b9e70ff6a8
Instead of using VMap, which may include instructions from the caller as a result of simplification, iterate over the (FirstNewBlock, Caller->end()) range, which will only include new instructions. Fixes https://bugs.llvm.org/show_bug.cgi?id=50270. Differential Revision: https://reviews.llvm.org/D102110
72 lines
2.5 KiB
LLVM
72 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -inline < %s | FileCheck %s
|
|
|
|
; This tests cases where instructions in the callee are simplified to
|
|
; instructions in the caller, thus making VMap contain instructions from
|
|
; the caller. We should not be assigning incorrect noalias metadata in
|
|
; that case.
|
|
|
|
declare { i64* } @opaque_callee()
|
|
|
|
define { i64* } @callee(i64* %x) {
|
|
; CHECK-LABEL: @callee(
|
|
; CHECK-NEXT: [[RES:%.*]] = insertvalue { i64* } undef, i64* [[X:%.*]], 0
|
|
; CHECK-NEXT: ret { i64* } [[RES]]
|
|
;
|
|
%res = insertvalue { i64* } undef, i64* %x, 0
|
|
ret { i64* } %res
|
|
}
|
|
|
|
; @opaque_callee() should not receive noalias metadata here.
|
|
define void @caller() {
|
|
; CHECK-LABEL: @caller(
|
|
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !0)
|
|
; CHECK-NEXT: [[S:%.*]] = call { i64* } @opaque_callee()
|
|
; CHECK-NEXT: [[X:%.*]] = extractvalue { i64* } [[S]], 0
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.experimental.noalias.scope.decl(metadata !0)
|
|
%s = call { i64* } @opaque_callee()
|
|
%x = extractvalue { i64* } %s, 0
|
|
call { i64* } @callee(i64* %x), !noalias !0
|
|
ret void
|
|
}
|
|
|
|
; @opaque_callee() should no the same noalias metadata as the load from the
|
|
; else branch, not as the load in the if branch.
|
|
define { i64* } @self_caller(i1 %c, i64* %a) {
|
|
; CHECK-LABEL: @self_caller(
|
|
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !0)
|
|
; CHECK-NEXT: br i1 [[C:%.*]], label [[IF:%.*]], label [[ELSE:%.*]]
|
|
; CHECK: if:
|
|
; CHECK-NEXT: [[S:%.*]] = call { i64* } @opaque_callee(), !noalias !0
|
|
; CHECK-NEXT: [[X:%.*]] = extractvalue { i64* } [[S]], 0
|
|
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !3)
|
|
; CHECK-NEXT: [[TMP1:%.*]] = load volatile i64, i64* [[X]], align 4, !alias.scope !3
|
|
; CHECK-NEXT: ret { i64* } [[S]]
|
|
; CHECK: else:
|
|
; CHECK-NEXT: [[R2:%.*]] = insertvalue { i64* } undef, i64* [[A:%.*]], 0
|
|
; CHECK-NEXT: [[TMP2:%.*]] = load volatile i64, i64* [[A]], align 4, !alias.scope !0
|
|
; CHECK-NEXT: ret { i64* } [[R2]]
|
|
;
|
|
call void @llvm.experimental.noalias.scope.decl(metadata !0)
|
|
br i1 %c, label %if, label %else
|
|
|
|
if:
|
|
%s = call { i64* } @opaque_callee(), !noalias !0
|
|
%x = extractvalue { i64* } %s, 0
|
|
%r = call { i64* } @self_caller(i1 false, i64* %x)
|
|
ret { i64* } %r
|
|
|
|
else:
|
|
%r2 = insertvalue { i64* } undef, i64* %a, 0
|
|
load volatile i64, i64* %a, !alias.scope !0
|
|
ret { i64* } %r2
|
|
}
|
|
|
|
declare void @llvm.experimental.noalias.scope.decl(metadata)
|
|
|
|
!0 = !{!1}
|
|
!1 = !{!1, !2, !"scope"}
|
|
!2 = !{!2, !"domain"}
|