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