1 ; RUN: llc < %s -O0 -march=nvptx -mcpu=sm_20 | FileCheck %s 2 3 ; CHECK-LABEL: .visible .func callee( 4 ; CHECK-NEXT: .param .align 16 .b8 callee_param_0[16], 5 ; CHECK-NEXT: .param .align 16 .b8 callee_param_1[16], 6 define void @callee(i128, i128, i128*) { 7 ; CHECK-DAG: ld.param.v2.u64 {%[[REG0:rd[0-9]+]], %[[REG1:rd[0-9]+]]}, [callee_param_0]; 8 ; CHECK-DAG: ld.param.v2.u64 {%[[REG2:rd[0-9]+]], %[[REG3:rd[0-9]+]]}, [callee_param_1]; 9 10 ; CHECK: mul.lo.s64 %[[REG4:rd[0-9]+]], %[[REG0]], %[[REG3]]; 11 ; CHECK-NEXT: mul.hi.u64 %[[REG5:rd[0-9]+]], %[[REG0]], %[[REG2]]; 12 ; CHECK-NEXT: add.s64 %[[REG6:rd[0-9]+]], %[[REG5]], %[[REG4]]; 13 ; CHECK-NEXT: mul.lo.s64 %[[REG7:rd[0-9]+]], %[[REG1]], %[[REG2]]; 14 ; CHECK-NEXT: add.s64 %[[REG8:rd[0-9]+]], %[[REG6]], %[[REG7]]; 15 ; CHECK-NEXT: mul.lo.s64 %[[REG9:rd[0-9]+]], %[[REG0]], %[[REG2]]; 16 %a = mul i128 %0, %1 17 18 store i128 %a, i128* %2 19 ret void 20 } 21 22 ; CHECK-LABEL: .visible .entry caller_kernel( 23 ; CHECK-NEXT: .param .align 16 .b8 caller_kernel_param_0[16], 24 ; CHECK-NEXT: .param .align 16 .b8 caller_kernel_param_1[16], 25 define ptx_kernel void @caller_kernel(i128, i128, i128*) { 26 start: 27 ; CHECK-DAG: ld.param.v2.u64 {%[[REG0:rd[0-9]+]], %[[REG1:rd[0-9]+]]}, [caller_kernel_param_0]; 28 ; CHECK-DAG: ld.param.v2.u64 {%[[REG2:rd[0-9]+]], %[[REG3:rd[0-9]+]]}, [caller_kernel_param_1]; 29 30 ; CHECK: { // callseq [[CALLSEQ_ID:[0-9]]], 0 31 ; CHECK: .param .align 16 .b8 param0[16]; 32 ; CHECK-NEXT: st.param.v2.b64 [param0+0], {%[[REG0]], %[[REG1]]} 33 ; CHECK: .param .align 16 .b8 param1[16]; 34 ; CHECK-NEXT: st.param.v2.b64 [param1+0], {%[[REG2]], %[[REG3]]} 35 ; CHECK: } // callseq [[CALLSEQ_ID]] 36 call void @callee(i128 %0, i128 %1, i128* %2) 37 38 ret void 39 } 40 41 ; CHECK-LABEL: .visible .func caller_func( 42 ; CHECK-NEXT: .param .align 16 .b8 caller_func_param_0[16], 43 ; CHECK-NEXT: .param .align 16 .b8 caller_func_param_1[16], 44 define void @caller_func(i128, i128, i128*) { 45 start: 46 ; CHECK-DAG: ld.param.v2.u64 {%[[REG0:rd[0-9]+]], %[[REG1:rd[0-9]+]]}, [caller_func_param_0] 47 ; CHECK-DAG: ld.param.v2.u64 {%[[REG2:rd[0-9]+]], %[[REG3:rd[0-9]+]]}, [caller_func_param_1] 48 49 ; CHECK: { // callseq [[CALLSEQ_ID:[0-9]]], 0 50 ; CHECK: .param .align 16 .b8 param0[16]; 51 ; CHECK: st.param.v2.b64 [param0+0], {%[[REG0]], %[[REG1]]} 52 ; CHECK: .param .align 16 .b8 param1[16]; 53 ; CHECK: st.param.v2.b64 [param1+0], {%[[REG2]], %[[REG3]]} 54 ; CHECK: } // callseq [[CALLSEQ_ID]] 55 call void @callee(i128 %0, i128 %1, i128* %2) 56 57 ret void 58 } 59
