| // RUN: %clang_cc1 -Werror -triple i386-linux -emit-llvm -o - %s | FileCheck %s |
| |
| // Test that different order of declarations is acceptable and that |
| // implementing different redeclarations is acceptable. |
| // rdar://problem/34949329 |
| |
| typedef union { |
| int i; |
| float f; |
| } TU __attribute__((transparent_union)); |
| |
| // CHECK-LABEL: define void @f0(i32 %tu.coerce) |
| // CHECK: %tu = alloca %union.TU, align 4 |
| // CHECK: %coerce.dive = getelementptr inbounds %union.TU, %union.TU* %tu, i32 0, i32 0 |
| // CHECK: store i32 %tu.coerce, i32* %coerce.dive, align 4 |
| void f0(TU tu) {} |
| void f0(int i); |
| |
| // CHECK-LABEL: define void @f1(i32 %tu.coerce) |
| // CHECK: %tu = alloca %union.TU, align 4 |
| // CHECK: %coerce.dive = getelementptr inbounds %union.TU, %union.TU* %tu, i32 0, i32 0 |
| // CHECK: store i32 %tu.coerce, i32* %coerce.dive, align 4 |
| void f1(int i); |
| void f1(TU tu) {} |
| |
| // CHECK-LABEL: define void @f2(i32 %i) |
| // CHECK: %i.addr = alloca i32, align 4 |
| // CHECK: store i32 %i, i32* %i.addr, align 4 |
| void f2(TU tu); |
| void f2(int i) {} |
| |
| // CHECK-LABEL: define void @f3(i32 %i) |
| // CHECK: %i.addr = alloca i32, align 4 |
| // CHECK: store i32 %i, i32* %i.addr, align 4 |
| void f3(int i) {} |
| void f3(TU tu); |
| |
| // Also test functions with parameters specified K&R style. |
| // CHECK-LABEL: define void @knrStyle(i32 %tu.coerce) |
| // CHECK: %tu = alloca %union.TU, align 4 |
| // CHECK: %coerce.dive = getelementptr inbounds %union.TU, %union.TU* %tu, i32 0, i32 0 |
| // CHECK: store i32 %tu.coerce, i32* %coerce.dive, align 4 |
| void knrStyle(int i); |
| void knrStyle(tu) TU tu; {} |
