1 ; RUN: llc < %s -O0 -march=nvptx64 -mcpu=sm_20 | FileCheck %s 2 3 ; CHECK-LABEL: .visible .func (.param .align 16 .b8 func_retval0[16]) callee( 4 define i128 @callee(i128) { 5 ; CHECK: ld.param.v2.u64 {%[[REG0:rd[0-9]+]], %[[REG1:rd[0-9]+]]}, [callee_param_0]; 6 ; CHECK: st.param.v2.b64 [func_retval0+0], {%[[REG0]], %[[REG1]]} 7 ret i128 %0 8 } 9 10 ; CHECK-LABEL: .visible .func caller( 11 define void @caller(i128, i128*) { 12 start: 13 ; CHECK-DAG: ld.param.v2.u64 {%[[REG0:rd[0-9]+]], %[[REG1:rd[0-9]+]]}, [caller_param_0]; 14 ; CHECK-DAG: ld.param.u64 %[[OUT:rd[0-9]+]], [caller_param_1]; 15 16 ; CHECK: { // callseq 0, 0 17 ; CHECK: .param .align 16 .b8 retval0[16]; 18 ; CHECK: call.uni (retval0), 19 ; CHECK: ld.param.v2.b64 {%[[REG2:rd[0-9]+]], %[[REG3:rd[0-9]+]]}, [retval0+0]; 20 ; CHECK: } // callseq 0 21 %a = call i128 @callee(i128 %0) 22 23 ; CHECK-DAG: st.u64 [%[[OUT]]], %[[REG2]]; 24 ; CHECK-DAG: st.u64 [%[[OUT]]+8], %[[REG3]]; 25 store i128 %a, i128* %1 26 27 ret void 28 } 29
