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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=mergefunc -S < %s | FileCheck %s
; This test makes sure that the mergefunc pass does not merge functions
; that have different nonnull assertions.
%1 = type ptr
define void @f1(ptr %0, ptr %1) {
; CHECK-LABEL: @f1(
; CHECK-NEXT: [[TMP3:%.*]] = load ptr, ptr [[TMP1:%.*]], align 8, !nonnull !0
; CHECK-NEXT: store ptr [[TMP3]], ptr [[TMP0:%.*]], align 8
; CHECK-NEXT: ret void
;
%3 = load ptr, ptr %1, align 8, !nonnull !0
store ptr %3, ptr %0, align 8
ret void
}
define void @f2(ptr %0, ptr %1) {
; CHECK-LABEL: @f2(
; CHECK-NEXT: [[TMP3:%.*]] = load ptr, ptr [[TMP1:%.*]], align 8
; CHECK-NEXT: store ptr [[TMP3]], ptr [[TMP0:%.*]], align 8
; CHECK-NEXT: ret void
;
%3 = load ptr, ptr %1, align 8
store ptr %3, ptr %0, align 8
ret void
}
define void @noundef(ptr %0, ptr %1) {
; CHECK-LABEL: @noundef(
; CHECK-NEXT: [[TMP3:%.*]] = load ptr, ptr [[TMP1:%.*]], align 8, !noundef !0
; CHECK-NEXT: store ptr [[TMP3]], ptr [[TMP0:%.*]], align 8
; CHECK-NEXT: ret void
;
%3 = load ptr, ptr %1, align 8, !noundef !0
store ptr %3, ptr %0, align 8
ret void
}
define void @noalias_1(ptr %0, ptr %1) {
; CHECK-LABEL: @noalias_1(
; CHECK-NEXT: [[TMP3:%.*]] = load ptr, ptr [[TMP1:%.*]], align 8, !noalias !1
; CHECK-NEXT: store ptr [[TMP3]], ptr [[TMP0:%.*]], align 8, !alias.scope !1
; CHECK-NEXT: ret void
;
%3 = load ptr, ptr %1, align 8, !noalias !4
store ptr %3, ptr %0, align 8, !alias.scope !4
ret void
}
define void @noundef_dbg(ptr %0, ptr %1) {
; CHECK-LABEL: @noundef_dbg(
; CHECK-NEXT: tail call void @noundef(ptr [[TMP0:%.*]], ptr [[TMP1:%.*]])
; CHECK-NEXT: ret void
;
%3 = load ptr, ptr %1, align 8, !noundef !0, !dbg !1
store ptr %3, ptr %0, align 8
ret void
}
; FIXME: This is merged despite different noalias metadata.
define void @noalias_2(ptr %0, ptr %1) {
; CHECK-LABEL: @noalias_2(
; CHECK-NEXT: tail call void @noalias_1(ptr [[TMP0:%.*]], ptr [[TMP1:%.*]])
; CHECK-NEXT: ret void
;
%3 = load ptr, ptr %1, align 8, !noalias !7
store ptr %3, ptr %0, align 8, !alias.scope !7
ret void
}
!0 = !{}
!1 = !{}
!2 = !{!2}
!3 = !{!3, !2}
!4 = !{!3}
!5 = !{!5}
!6 = !{!6, !5}
!7 = !{!6}
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