| ; Test that constant structs are folded. |
| ; RUN: opt %s -passes=sccp -S | FileCheck %s |
| |
| define internal {i64} @struct1() { |
| %a = insertvalue {i64} undef, i64 24, 0 |
| ret {i64} %a |
| } |
| |
| ; CHECK: define internal { i64 } @struct1() { |
| ; CHECK-NEXT: ret { i64 } { i64 24 } |
| ; CHECK-NEXT: } |
| |
| define internal {i64, i64} @struct2() { |
| %a = insertvalue {i64, i64} undef, i64 24, 0 |
| ret {i64, i64} %a |
| } |
| |
| ; CHECK: define internal { i64, i64 } @struct2() { |
| ; CHECK-NEXT: ret { i64, i64 } { i64 24, i64 undef } |
| ; CHECK-NEXT: } |
| |
| define internal {i64, i64, i64} @struct3(i64 %x) { |
| %a = insertvalue {i64, i64, i64} undef, i64 24, 0 |
| %b = insertvalue {i64, i64, i64} %a, i64 36, 1 |
| %c = insertvalue {i64, i64, i64} %b, i64 %x, 2 |
| ret {i64, i64, i64} %c |
| } |
| |
| ; CHECK: define internal { i64, i64, i64 } @struct3(i64 %x) { |
| ; CHECK-NEXT: %c = insertvalue { i64, i64, i64 } { i64 24, i64 36, i64 undef }, i64 %x, 2 |
| ; CHECK-NEXT: ret { i64, i64, i64 } %c |
| ; CHECK-NEXT: } |
| |
| ; Test(s) for overdefined values. |
| define internal {i64, i32} @struct4(i32 %x) { |
| %a = insertvalue {i64, i32} {i64 12, i32 24}, i32 %x, 1 |
| ret {i64, i32} %a |
| } |
| |
| ; CHECK: define internal { i64, i32 } @struct4(i32 %x) { |
| ; CHECK-NEXT: %a = insertvalue { i64, i32 } { i64 12, i32 24 }, i32 %x, 1 |
| ; CHECK-NEXT: ret { i64, i32 } %a |
| ; CHECK-NEXT: } |
| |
| define internal {i32} @struct5(i32 %x) { |
| %a = insertvalue {i32} undef, i32 %x, 0 |
| ret {i32} %a |
| } |
| |
| ; CHECK: define internal { i32 } @struct5(i32 %x) { |
| ; CHECK-NEXT: %a = insertvalue { i32 } undef, i32 %x, 0 |
| ; CHECK-NEXT: ret { i32 } %a |
| ; CHECK-NEXT: } |
| |
| |
| define internal {i32} @struct6({i32} %x) { |
| %a = insertvalue {i32} %x, i32 12, 0 |
| ret {i32} %a |
| } |
| |
| ; CHECK: define internal { i32 } @struct6({ i32 } %x) { |
| ; CHECK-NEXT: ret { i32 } { i32 12 } |
| ; CHECK-NEXT: } |
| |
| define internal {i16} @struct7() { |
| %a = insertvalue {i16} {i16 4}, i16 7, 0 |
| ret {i16} %a |
| } |
| |
| ; CHECK: define internal { i16 } @struct7() { |
| ; CHECK-NEXT: ret { i16 } { i16 7 } |
| ; CHECK-NEXT: } |