xref: /llvm-project/llvm/test/Transforms/InstCombine/cast-byval.ll (revision 86e57e66da9380eaa90a9d0830d7f2c5fe87af99)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; Check that function calls involving conversion from/to byval aren't transformed.
3; RUN: opt < %s -passes=instcombine -S | FileCheck %s
4
5%Foo = type { i64 }
6define i64 @foo (ptr byval(%Foo) %foo) {
7; CHECK-LABEL: @foo(
8; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr [[FOO:%.*]], align 4
9; CHECK-NEXT:    ret i64 [[TMP1]]
10;
11  %1 = load i64, ptr %foo, align 4
12  ret i64 %1
13}
14
15define i64 @bar(i64 %0) {
16; CHECK-LABEL: @bar(
17; CHECK-NEXT:    [[TMP2:%.*]] = tail call i64 @foo(i64 [[TMP0:%.*]])
18; CHECK-NEXT:    ret i64 [[TMP2]]
19;
20  %2 = tail call i64 @foo(i64 %0)
21  ret i64 %2
22}
23
24define i64 @qux(ptr byval(%Foo) %qux) {
25; CHECK-LABEL: @qux(
26; CHECK-NEXT:    [[TMP1:%.*]] = tail call i64 @bar(ptr nonnull byval([[FOO:%.*]]) [[QUX:%.*]])
27; CHECK-NEXT:    ret i64 [[TMP1]]
28;
29  %1 = tail call i64 @bar(ptr byval(%Foo) %qux)
30  ret i64 %1
31}
32