Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Transforms/MergeFunc/fold-weak.ll

@@ -1,47 +0,0 @@
-; RUN: opt -S -mergefunc < %s | FileCheck %s
-
-define weak i32 @sum(i32 %x, i32 %y) {
-  %sum = add i32 %x, %y
-  %sum2 = add i32 %sum, %y
-  %sum3 = add i32 %sum2, %y
-  ret i32 %sum3
-}
-
-define weak i32 @add(i32 %x, i32 %y) {
-  %sum = add i32 %x, %y
-  %sum2 = add i32 %sum, %y
-  %sum3 = add i32 %sum2, %y
-  ret i32 %sum3
-}
-
-; Don't replace a weak function use by another equivalent function. We don't
-; know whether the symbol that will ulitmately be linked is equivalent - we
-; don't know that the weak definition is the definitive definition or whether it
-; will be overriden by a stronger definition).
-
-; CHECK-LABEL: define private i32 @0
-; CHECK: add i32
-; CHECK: add i32
-; CHECK: add i32
-; CHECK: ret
-
-; CHECK-LABEL: define i32 @use_weak
-; CHECK: call i32 @add
-; CHECK: call i32 @sum
-; CHECK: ret
-
-; CHECK-LABEL: define weak i32 @sum
-; CHECK:  tail call i32 @0
-; CHECK:  ret
-
-; CHECK-LABEL: define weak i32 @add
-; CHECK:  tail call i32 @0
-; CHECK:  ret
-
-
-define i32 @use_weak(i32 %a, i32 %b) {
-  %res = call i32 @add(i32 %a, i32 %b)
-  %res2 = call i32 @sum(i32 %a, i32 %b)
-  %res3 = add i32 %res, %res2
-  ret i32 %res3
-}