forked from OSchip/llvm-project
121 lines
3.4 KiB
LLVM
121 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=attributor -S < %s | FileCheck %s --check-prefixes=CHECK
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; RUN: opt -passes=attributor -attributor-print-call-graph -S -disable-output < %s | FileCheck %s --check-prefixes=DOT
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define dso_local void @func1() {
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; CHECK-LABEL: @func1(
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; CHECK-NEXT: br label [[TMP2:%.*]]
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; CHECK: 1:
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; CHECK-NEXT: unreachable
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; CHECK: 2:
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; CHECK-NEXT: call void @func3()
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; CHECK-NEXT: ret void
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;
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%1 = icmp ne i32 0, 0
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br i1 %1, label %2, label %3
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2: ; preds = %0
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call void @func2()
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br label %3
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3: ; preds = %2, %0
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call void () @func3()
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ret void
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}
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declare void @func3()
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declare void @func4()
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define dso_local void @func2() {
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; CHECK-LABEL: @func2(
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; CHECK-NEXT: call void @func4()
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; CHECK-NEXT: ret void
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;
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call void @func4()
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ret void
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}
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define void @func5(i32 %0) {
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; CHECK-LABEL: @func5(
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; CHECK-NEXT: [[TMP2:%.*]] = icmp ne i32 [[TMP0:%.*]], 0
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; CHECK-NEXT: [[TMP3:%.*]] = select i1 [[TMP2]], void ()* @func4, void ()* @func3
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; CHECK-NEXT: call void [[TMP3]]()
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; CHECK-NEXT: ret void
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;
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%2 = icmp ne i32 %0, 0
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%3 = select i1 %2, void ()* @func4, void ()* @func3
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call void () %3()
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ret void
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}
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define void @broker(void ()* %unknown) !callback !0 {
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; CHECK-LABEL: @broker(
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; CHECK-NEXT: call void [[UNKNOWN:%.*]]()
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; CHECK-NEXT: ret void
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;
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call void %unknown()
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ret void
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}
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define void @func6() {
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; CHECK-LABEL: @func6(
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; CHECK-NEXT: call void @broker(void ()* nocapture nofree noundef @func3)
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; CHECK-NEXT: ret void
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;
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call void @broker(void ()* @func3)
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ret void
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}
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define void @func7(void ()* %unknown) {
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; CHECK-LABEL: @func7(
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; CHECK-NEXT: call void [[UNKNOWN:%.*]](), !callees !2
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; CHECK-NEXT: ret void
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;
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call void %unknown(), !callees !2
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ret void
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}
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; Check there's no crash if something that isn't a function appears in !callees
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define void @undef_in_callees() {
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; CHECK-LABEL: @undef_in_callees(
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; CHECK-NEXT: cond.end.i:
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; CHECK-NEXT: call void undef(i8* undef, i32 undef, i8* undef), !callees !3
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; CHECK-NEXT: ret void
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;
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cond.end.i:
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call void undef(i8* undef, i32 undef, i8* undef), !callees !3
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ret void
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}
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!0 = !{!1}
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!1 = !{i64 0, i1 false}
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!2 = !{void ()* @func3, void ()* @func4}
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!3 = distinct !{void (i8*, i32, i8*)* undef, void (i8*, i32, i8*)* null}
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; UTC_ARGS: --disable
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; DOT-DAG: Node[[FUNC1:0x[a-z0-9]+]] [shape=record,label="{func1}"];
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; DOT-DAG: Node[[FUNC2:0x[a-z0-9]+]] [shape=record,label="{func2}"];
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; DOT-DAG: Node[[FUNC3:0x[a-z0-9]+]] [shape=record,label="{func3}"];
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; DOT-DAG: Node[[FUNC4:0x[a-z0-9]+]] [shape=record,label="{func4}"];
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; DOT-DAG: Node[[FUNC5:0x[a-z0-9]+]] [shape=record,label="{func5}"];
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; DOT-DAG: Node[[FUNC6:0x[a-z0-9]+]] [shape=record,label="{func6}"];
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; DOT-DAG: Node[[FUNC7:0x[a-z0-9]+]] [shape=record,label="{func7}"];
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; DOT-DAG: Node[[BROKER:0x[a-z0-9]+]] [shape=record,label="{broker}"];
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; DOT-DAG: Node[[FUNC1]] -> Node[[FUNC3]];
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; DOT-DAG: Node[[FUNC2]] -> Node[[FUNC4]];
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; DOT-DAG: Node[[FUNC5]] -> Node[[FUNC3]];
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; DOT-DAG: Node[[FUNC5]] -> Node[[FUNC4]];
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; DOT-DAG: Node[[FUNC6]] -> Node[[BROKER]];
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; This one gets added because of the callback metadata.
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; DOT-DAG: Node[[FUNC6]] -> Node[[FUNC3]];
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; These ones are added because of the callees metadata.
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; DOT-DAG: Node[[FUNC7]] -> Node[[FUNC3]];
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; DOT-DAG: Node[[FUNC7]] -> Node[[FUNC4]];
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