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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=gvn -S %s | FileCheck %s
; Test for PR46054. Make sure we correctly invalidate MemoryDependenceAnalysis,
; after removing a nonlocaldef.
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @test_double(ptr %data) {
; CHECK-LABEL: @test_double(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[LUC:%.*]] = tail call noalias nonnull ptr @data()
; CHECK-NEXT: store i64 1, ptr [[LUC]], align 8, !invariant.group !0
; CHECK-NEXT: call void @fn(i64 1)
; CHECK-NEXT: br i1 true, label [[A:%.*]], label [[ENTRY_B_CRIT_EDGE:%.*]]
; CHECK: entry.B_crit_edge:
; CHECK-NEXT: br label [[B:%.*]]
; CHECK: A:
; CHECK-NEXT: br label [[B]]
; CHECK: B:
; CHECK-NEXT: call void @fn(i64 1)
; CHECK-NEXT: ret void
;
entry:
%luc = tail call noalias nonnull ptr @data()
store i64 1, ptr %luc, !invariant.group !0
%QQ = load i64, ptr %luc, !invariant.group !0
call void @fn(i64 %QQ)
br i1 true, label %A, label %B
A: ; preds = %loop
br label %B
B: ; preds = %A, %loop
%QQ.1 = load i64, ptr %luc, !invariant.group !0
call void @fn(i64 %QQ.1)
ret void
}
declare void @fn(i64)
declare noalias ptr @data()
define void @test_double_ptr(ptr %data) {
; CHECK-LABEL: @test_double_ptr(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[LUC:%.*]] = tail call noalias nonnull ptr @data.ptr()
; CHECK-NEXT: store ptr null, ptr [[LUC]], align 8, !invariant.group !0
; CHECK-NEXT: call void @fn.ptr(ptr null)
; CHECK-NEXT: br i1 true, label [[A:%.*]], label [[ENTRY_B_CRIT_EDGE:%.*]]
; CHECK: entry.B_crit_edge:
; CHECK-NEXT: br label [[B:%.*]]
; CHECK: A:
; CHECK-NEXT: br label [[B]]
; CHECK: B:
; CHECK-NEXT: call void @fn.ptr(ptr null)
; CHECK-NEXT: ret void
;
entry:
%luc = tail call noalias nonnull ptr @data.ptr()
store ptr null, ptr %luc, !invariant.group !0
%QQ = load ptr, ptr %luc, !invariant.group !0
call void @fn.ptr(ptr %QQ)
br i1 true, label %A, label %B
A: ; preds = %loop
br label %B
B: ; preds = %A, %loop
%QQ.1 = load ptr, ptr %luc, !invariant.group !0
call void @fn.ptr(ptr %QQ.1)
ret void
}
declare void @fn.ptr(ptr)
declare noalias ptr @data.ptr()
!0 = distinct !{}
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