1 // RUN: %clang_cc1 -triple sparc-unknown-unknown -emit-llvm -o - %s | FileCheck %s 2 3 // Ensure that we pass proper alignment to llvm in the call 4 // instruction. The proper alignment for the type is sometimes known 5 // only by clang, and is not manifest in the LLVM-type. So, it must be 6 // explicitly passed through. (Besides the case of the user specifying 7 // alignment, as here, this situation also occurrs for non-POD C++ 8 // structs with tail-padding: clang emits these as packed llvm-structs 9 // for ABI reasons.) 10 11 struct s1 { 12 int x; 13 } __attribute__((aligned(8))); 14 15 struct s1 x1; 16 17 18 // Ensure the align 8 is passed through: 19 // CHECK-LABEL: define void @f1() 20 // CHECK: call void @f1_helper(%struct.s1* byval align 8 @x1) 21 // Also ensure the declaration of f1_helper includes it 22 // CHECK: declare void @f1_helper(%struct.s1* byval align 8) 23 24 void f1_helper(struct s1); 25 void f1() { 26 f1_helper(x1); 27 } 28
