| // RUN: %clang_cc1 -triple sparc-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
| |
| // Ensure that we pass proper alignment to llvm in the call |
| // instruction. The proper alignment for the type is sometimes known |
| // only by clang, and is not manifest in the LLVM-type. So, it must be |
| // explicitly passed through. (Besides the case of the user specifying |
| // alignment, as here, this situation also occurrs for non-POD C++ |
| // structs with tail-padding: clang emits these as packed llvm-structs |
| // for ABI reasons.) |
| |
| struct s1 { |
| int x; |
| } __attribute__((aligned(8))); |
| |
| struct s1 x1; |
| |
| |
| // Ensure the align 8 is passed through: |
| // CHECK-LABEL: define void @f1() |
| // CHECK: call void @f1_helper(%struct.s1* byval align 8 @x1) |
| // Also ensure the declaration of f1_helper includes it |
| // CHECK: declare void @f1_helper(%struct.s1* byval align 8) |
| |
| void f1_helper(struct s1); |
| void f1() { |
| f1_helper(x1); |
| } |
