; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s ; RUN: %if ptxas %{ llc < %s -march=nvptx -mcpu=sm_20 | %ptxas-verify %} ;;; Need 4-byte alignment on float* passed byval define ptx_device void @t1(float* byval(float) %x) { ; CHECK: .func t1 ; CHECK: .param .align 4 .b8 t1_param_0[4] ret void } ;;; Need 8-byte alignment on double* passed byval define ptx_device void @t2(double* byval(double) %x) { ; CHECK: .func t2 ; CHECK: .param .align 8 .b8 t2_param_0[8] ret void } ;;; Need 4-byte alignment on float2* passed byval %struct.float2 = type { float, float } define ptx_device void @t3(%struct.float2* byval(%struct.float2) %x) { ; CHECK: .func t3 ; CHECK: .param .align 4 .b8 t3_param_0[8] ret void } ;;; Need at least 4-byte alignment in order to avoid miscompilation by ;;; ptxas for sm_50+ define ptx_device void @t4(i8* byval(i8) %x) { ; CHECK: .func t4 ; CHECK: .param .align 4 .b8 t4_param_0[1] ret void } ;;; Make sure we adjust alignment at the call site as well. define ptx_device void @t5(i8* align 2 byval(i8) %x) { ; CHECK: .func t5 ; CHECK: .param .align 4 .b8 t5_param_0[1] ; CHECK: { ; CHECK: .param .align 4 .b8 param0[1]; ; CHECK: call.uni call void @t4(i8* byval(i8) %x) ret void }