[llvm] aa77085 - [MergeFunc] Add tests for (merging weak|linkonce)_odr functions.
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Mon Feb 24 06:24:28 PST 2025
Author: Florian Hahn
Date: 2025-02-24T14:24:01Z
New Revision: aa770857eead289bedc19237a0a4657d3311668d
URL: https://github.com/llvm/llvm-project/commit/aa770857eead289bedc19237a0a4657d3311668d
DIFF: https://github.com/llvm/llvm-project/commit/aa770857eead289bedc19237a0a4657d3311668d.diff
LOG: [MergeFunc] Add tests for (merging weak|linkonce)_odr functions.
Tests for https://github.com/llvm/llvm-project/pull/125050.
Added:
llvm/test/Transforms/MergeFunc/merge-linkonce-odr-used.ll
llvm/test/Transforms/MergeFunc/merge-linkonce-odr-weak-odr-mixed-used.ll
llvm/test/Transforms/MergeFunc/merge-linkonce-odr.ll
llvm/test/Transforms/MergeFunc/merge-weak-odr-used.ll
llvm/test/Transforms/MergeFunc/merge-weak-odr.ll
Modified:
llvm/test/Transforms/MergeFunc/linkonce_odr.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/MergeFunc/linkonce_odr.ll b/llvm/test/Transforms/MergeFunc/linkonce_odr.ll
index 23305c04f7b6f..14b56a8ece30e 100644
--- a/llvm/test/Transforms/MergeFunc/linkonce_odr.ll
+++ b/llvm/test/Transforms/MergeFunc/linkonce_odr.ll
@@ -1,19 +1,13 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --include-generated-funcs --version 5
; RUN: opt -S -passes=mergefunc < %s | FileCheck %s -implicit-check-not=funC
; Replacments should be totally ordered on the function name.
; If we don't do this we can end up with one module defining a thunk for @funA
; and another module defining a thunk for @funB.
-;
; The problem with this is that the linker could then choose these two stubs
; each of the two modules and we end up with two stubs calling each other.
-; CHECK-LABEL: define linkonce_odr i32 @funA
-; CHECK-NEXT: add
-; CHECK: ret
-; CHECK-LABEL: define linkonce_odr i32 @funB
-; CHECK-NEXT: tail call i32 @funA(i32 %0, i32 %1)
-; CHECK-NEXT: ret
define linkonce_odr i32 @funC(i32 %x, i32 %y) {
%sum = add i32 %x, %y
@@ -40,3 +34,19 @@ define linkonce_odr i32 @funA(i32 %x, i32 %y) {
; @funC, however, can safely be deleted as it has no uses, and is discardable
; if unused.
@take_addr_of_funB = global ptr @funB
+;.
+; CHECK: @take_addr_of_funB = global ptr @funB
+;.
+; CHECK-LABEL: define linkonce_odr i32 @funA(
+; CHECK-SAME: i32 [[X:%.*]], i32 [[Y:%.*]]) {
+; CHECK-NEXT: [[SUM:%.*]] = add i32 [[X]], [[Y]]
+; CHECK-NEXT: [[SUM2:%.*]] = add i32 [[X]], [[SUM]]
+; CHECK-NEXT: [[SUM3:%.*]] = add i32 [[X]], [[SUM2]]
+; CHECK-NEXT: ret i32 [[SUM3]]
+;
+;
+; CHECK-LABEL: define linkonce_odr i32 @funB(
+; CHECK-SAME: i32 [[TMP0:%.*]], i32 [[TMP1:%.*]]) {
+; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 @funA(i32 [[TMP0]], i32 [[TMP1]])
+; CHECK-NEXT: ret i32 [[TMP3]]
+;
diff --git a/llvm/test/Transforms/MergeFunc/merge-linkonce-odr-used.ll b/llvm/test/Transforms/MergeFunc/merge-linkonce-odr-used.ll
new file mode 100644
index 0000000000000..fe6a5210454b6
--- /dev/null
+++ b/llvm/test/Transforms/MergeFunc/merge-linkonce-odr-used.ll
@@ -0,0 +1,69 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --include-generated-funcs --version 5
+; RUN: opt -p mergefunc -S %s | FileCheck %s
+
+ at llvm.used = appending global [3 x ptr] [ptr @linkonce_odr_caller_of_foo_1, ptr @linkonce_odr_caller_of_foo_2, ptr @linkonce_odr_caller_of_foo_3]
+
+define void @caller_of_callers(ptr %p) {
+ call void @linkonce_odr_caller_of_foo_1(ptr %p)
+ call void @linkonce_odr_caller_of_foo_2(ptr %p)
+ call void @linkonce_odr_caller_of_foo_3(ptr %p)
+ ret void
+}
+
+define linkonce_odr void @linkonce_odr_caller_of_foo_1(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define linkonce_odr void @linkonce_odr_caller_of_foo_2(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define linkonce_odr void @linkonce_odr_caller_of_foo_3(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+declare void @foo(ptr)
+
+;.
+; CHECK: @llvm.used = appending global [3 x ptr] [ptr @linkonce_odr_caller_of_foo_1, ptr @linkonce_odr_caller_of_foo_2, ptr @linkonce_odr_caller_of_foo_3]
+;.
+; CHECK-LABEL: define void @caller_of_callers(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define linkonce_odr void @linkonce_odr_caller_of_foo_1(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define linkonce_odr void @linkonce_odr_caller_of_foo_2(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @linkonce_odr_caller_of_foo_1(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define linkonce_odr void @linkonce_odr_caller_of_foo_3(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @linkonce_odr_caller_of_foo_1(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
diff --git a/llvm/test/Transforms/MergeFunc/merge-linkonce-odr-weak-odr-mixed-used.ll b/llvm/test/Transforms/MergeFunc/merge-linkonce-odr-weak-odr-mixed-used.ll
new file mode 100644
index 0000000000000..63c6b22424f4c
--- /dev/null
+++ b/llvm/test/Transforms/MergeFunc/merge-linkonce-odr-weak-odr-mixed-used.ll
@@ -0,0 +1,69 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --include-generated-funcs --version 5
+; RUN: opt -p mergefunc -S %s | FileCheck %s
+
+ at llvm.used = appending global [3 x ptr] [ptr @weak_odr_caller_of_foo_1, ptr @linkonce_odr_caller_of_foo_2, ptr @weak_odr_caller_of_foo_3]
+
+define void @caller_of_callers(ptr %p) {
+ call void @weak_odr_caller_of_foo_1(ptr %p)
+ call void @linkonce_odr_caller_of_foo_2(ptr %p)
+ call void @weak_odr_caller_of_foo_3(ptr %p)
+ ret void
+}
+
+define weak_odr void @weak_odr_caller_of_foo_1(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define linkonce_odr void @linkonce_odr_caller_of_foo_2(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define weak_odr void @weak_odr_caller_of_foo_3(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+declare void @foo(ptr)
+
+;.
+; CHECK: @llvm.used = appending global [3 x ptr] [ptr @weak_odr_caller_of_foo_1, ptr @linkonce_odr_caller_of_foo_2, ptr @weak_odr_caller_of_foo_3]
+;.
+; CHECK-LABEL: define void @caller_of_callers(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_2(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_2(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_2(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define linkonce_odr void @linkonce_odr_caller_of_foo_2(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr void @weak_odr_caller_of_foo_1(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @linkonce_odr_caller_of_foo_2(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr void @weak_odr_caller_of_foo_3(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @linkonce_odr_caller_of_foo_2(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
diff --git a/llvm/test/Transforms/MergeFunc/merge-linkonce-odr.ll b/llvm/test/Transforms/MergeFunc/merge-linkonce-odr.ll
new file mode 100644
index 0000000000000..13d9fe3f98f28
--- /dev/null
+++ b/llvm/test/Transforms/MergeFunc/merge-linkonce-odr.ll
@@ -0,0 +1,126 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --include-generated-funcs --version 5
+; RUN: opt -p mergefunc -S %s | FileCheck %s
+
+define void @caller_of_callers(ptr %p) {
+ call void @linkonce_odr_caller_of_foo_1(ptr %p)
+ call void @linkonce_odr_caller_of_foo_2(ptr %p)
+ call void @linkonce_odr_caller_of_foo_3(ptr %p)
+
+ call void @internal_caller_of_bar_1(ptr %p)
+ call void @linkonce_odr_caller_of_bar_2(ptr %p)
+ call void @linkonce_odr_caller_of_bar_3(ptr %p)
+
+ call void @hidden_caller_of_zar_1(ptr %p)
+ call void @linkonce_odr_caller_of_zar_2(ptr %p)
+
+ ret void
+}
+
+define linkonce_odr hidden void @linkonce_odr_caller_of_foo_1(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define linkonce_odr hidden void @linkonce_odr_caller_of_foo_2(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define linkonce_odr hidden void @linkonce_odr_caller_of_foo_3(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+declare void @foo(ptr)
+
+define internal void @internal_caller_of_bar_1(ptr %p) {
+entry:
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ ret void
+}
+
+define linkonce_odr hidden void @linkonce_odr_caller_of_bar_2(ptr %p) {
+entry:
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ ret void
+}
+
+define linkonce_odr hidden void @linkonce_odr_caller_of_bar_3(ptr %p) {
+entry:
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ ret void
+}
+
+declare void @bar(ptr)
+
+define hidden void @hidden_caller_of_zar_1(ptr %p) {
+entry:
+ tail call void @zar(ptr %p)
+ tail call void @zar(ptr %p)
+ tail call void @zar(ptr %p)
+ ret void
+}
+
+define linkonce_odr hidden void @linkonce_odr_caller_of_zar_2(ptr %p) {
+entry:
+ tail call void @zar(ptr %p)
+ tail call void @zar(ptr %p)
+ tail call void @zar(ptr %p)
+ ret void
+}
+
+declare void @zar(ptr)
+; CHECK-LABEL: define void @caller_of_callers(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_bar_2(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_bar_2(ptr [[P]])
+; CHECK-NEXT: call void @linkonce_odr_caller_of_bar_2(ptr [[P]])
+; CHECK-NEXT: call void @hidden_caller_of_zar_1(ptr [[P]])
+; CHECK-NEXT: call void @hidden_caller_of_zar_1(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define linkonce_odr hidden void @linkonce_odr_caller_of_foo_1(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define linkonce_odr hidden void @linkonce_odr_caller_of_bar_2(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @bar(ptr [[P]])
+; CHECK-NEXT: tail call void @bar(ptr [[P]])
+; CHECK-NEXT: tail call void @bar(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define hidden void @hidden_caller_of_zar_1(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @zar(ptr [[P]])
+; CHECK-NEXT: tail call void @zar(ptr [[P]])
+; CHECK-NEXT: tail call void @zar(ptr [[P]])
+; CHECK-NEXT: ret void
+;
diff --git a/llvm/test/Transforms/MergeFunc/merge-weak-odr-used.ll b/llvm/test/Transforms/MergeFunc/merge-weak-odr-used.ll
new file mode 100644
index 0000000000000..6c2b22fd1da7d
--- /dev/null
+++ b/llvm/test/Transforms/MergeFunc/merge-weak-odr-used.ll
@@ -0,0 +1,69 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --include-generated-funcs --version 5
+; RUN: opt -p mergefunc -S %s | FileCheck %s
+
+ at llvm.used = appending global [3 x ptr] [ptr @weak_odr_caller_of_foo_1, ptr @weak_odr_caller_of_foo_2, ptr @weak_odr_caller_of_foo_3]
+
+define void @caller_of_callers(ptr %p) {
+ call void @weak_odr_caller_of_foo_1(ptr %p)
+ call void @weak_odr_caller_of_foo_2(ptr %p)
+ call void @weak_odr_caller_of_foo_3(ptr %p)
+ ret void
+}
+
+define weak_odr void @weak_odr_caller_of_foo_1(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define weak_odr void @weak_odr_caller_of_foo_2(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define weak_odr void @weak_odr_caller_of_foo_3(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+declare void @foo(ptr)
+
+;.
+; CHECK: @llvm.used = appending global [3 x ptr] [ptr @weak_odr_caller_of_foo_1, ptr @weak_odr_caller_of_foo_2, ptr @weak_odr_caller_of_foo_3]
+;.
+; CHECK-LABEL: define void @caller_of_callers(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: call void @weak_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @weak_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @weak_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr void @weak_odr_caller_of_foo_1(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr void @weak_odr_caller_of_foo_2(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @weak_odr_caller_of_foo_1(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr void @weak_odr_caller_of_foo_3(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @weak_odr_caller_of_foo_1(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
diff --git a/llvm/test/Transforms/MergeFunc/merge-weak-odr.ll b/llvm/test/Transforms/MergeFunc/merge-weak-odr.ll
new file mode 100644
index 0000000000000..3ea279a411c72
--- /dev/null
+++ b/llvm/test/Transforms/MergeFunc/merge-weak-odr.ll
@@ -0,0 +1,150 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --include-generated-funcs --version 5
+; RUN: opt -p mergefunc -S %s | FileCheck %s
+
+define void @caller_of_callers(ptr %p) {
+ call void @weak_odr_caller_of_foo_1(ptr %p)
+ call void @weak_odr_caller_of_foo_2(ptr %p)
+ call void @weak_odr_caller_of_foo_3(ptr %p)
+
+ call void @internal_caller_of_bar_1(ptr %p)
+ call void @weak_odr_caller_of_bar_2(ptr %p)
+ call void @weak_odr_caller_of_bar_3(ptr %p)
+
+ call void @hidden_caller_of_zar_1(ptr %p)
+ call void @weak_odr_caller_of_zar_2(ptr %p)
+
+ ret void
+}
+
+define weak_odr hidden void @weak_odr_caller_of_foo_1(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define weak_odr hidden void @weak_odr_caller_of_foo_2(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+define weak_odr hidden void @weak_odr_caller_of_foo_3(ptr %p) {
+entry:
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ tail call void @foo(ptr %p)
+ ret void
+}
+
+declare void @foo(ptr)
+
+define internal void @internal_caller_of_bar_1(ptr %p) {
+entry:
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ ret void
+}
+
+define weak_odr hidden void @weak_odr_caller_of_bar_2(ptr %p) {
+entry:
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ ret void
+}
+
+define weak_odr hidden void @weak_odr_caller_of_bar_3(ptr %p) {
+entry:
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ tail call void @bar(ptr %p)
+ ret void
+}
+
+declare void @bar(ptr)
+
+define hidden void @hidden_caller_of_zar_1(ptr %p) {
+entry:
+ tail call void @zar(ptr %p)
+ tail call void @zar(ptr %p)
+ tail call void @zar(ptr %p)
+ ret void
+}
+
+define weak_odr hidden void @weak_odr_caller_of_zar_2(ptr %p) {
+entry:
+ tail call void @zar(ptr %p)
+ tail call void @zar(ptr %p)
+ tail call void @zar(ptr %p)
+ ret void
+}
+
+declare void @zar(ptr)
+; CHECK-LABEL: define void @caller_of_callers(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: call void @weak_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @weak_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @weak_odr_caller_of_foo_1(ptr [[P]])
+; CHECK-NEXT: call void @weak_odr_caller_of_bar_2(ptr [[P]])
+; CHECK-NEXT: call void @weak_odr_caller_of_bar_2(ptr [[P]])
+; CHECK-NEXT: call void @weak_odr_caller_of_bar_2(ptr [[P]])
+; CHECK-NEXT: call void @hidden_caller_of_zar_1(ptr [[P]])
+; CHECK-NEXT: call void @hidden_caller_of_zar_1(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr hidden void @weak_odr_caller_of_foo_1(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: tail call void @foo(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr hidden void @weak_odr_caller_of_bar_2(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @bar(ptr [[P]])
+; CHECK-NEXT: tail call void @bar(ptr [[P]])
+; CHECK-NEXT: tail call void @bar(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define hidden void @hidden_caller_of_zar_1(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: tail call void @zar(ptr [[P]])
+; CHECK-NEXT: tail call void @zar(ptr [[P]])
+; CHECK-NEXT: tail call void @zar(ptr [[P]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr hidden void @weak_odr_caller_of_foo_2(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @weak_odr_caller_of_foo_1(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr hidden void @weak_odr_caller_of_foo_3(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @weak_odr_caller_of_foo_1(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr hidden void @weak_odr_caller_of_bar_3(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @weak_odr_caller_of_bar_2(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
+;
+; CHECK-LABEL: define weak_odr hidden void @weak_odr_caller_of_zar_2(
+; CHECK-SAME: ptr [[TMP0:%.*]]) {
+; CHECK-NEXT: tail call void @hidden_caller_of_zar_1(ptr [[TMP0]])
+; CHECK-NEXT: ret void
+;
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