; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: opt < %s -S -nvptx-lower-args --mtriple nvptx64-nvidia-cuda -mcpu=sm_70 -mattr=+ptx77 | FileCheck %s --check-prefixes OPT ; RUN: llc < %s --mtriple nvptx64-nvidia-cuda -mcpu=sm_70 -mattr=+ptx77 | FileCheck %s --check-prefixes PTX %struct.uint4 = type { i32, i32, i32, i32 } @gi = dso_local addrspace(1) externally_initialized global %struct.uint4 { i32 50462976, i32 117835012, i32 185207048, i32 252579084 }, align 16 ; Function Attrs: mustprogress nofree noinline norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) ; Regular functions mus still make a copy. `cvta.param` does not always work there. define dso_local noundef i32 @non_kernel_function(ptr nocapture noundef readonly byval(%struct.uint4) align 16 %a, i1 noundef zeroext %b, i32 noundef %c) local_unnamed_addr #0 { ; OPT-LABEL: define dso_local noundef i32 @non_kernel_function( ; OPT-SAME: ptr noundef readonly byval([[STRUCT_UINT4:%.*]]) align 16 captures(none) [[A:%.*]], i1 noundef zeroext [[B:%.*]], i32 noundef [[C:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] { ; OPT-NEXT: [[ENTRY:.*:]] ; OPT-NEXT: [[A_:%.*]] = select i1 [[B]], ptr [[A]], ptr addrspacecast (ptr addrspace(1) @gi to ptr) ; OPT-NEXT: [[IDX_EXT:%.*]] = sext i32 [[C]] to i64 ; OPT-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, ptr [[A_]], i64 [[IDX_EXT]] ; OPT-NEXT: [[TMP0:%.*]] = load i32, ptr [[ADD_PTR]], align 1 ; OPT-NEXT: ret i32 [[TMP0]] ; ; PTX-LABEL: non_kernel_function( ; PTX: { ; PTX-NEXT: .reg .pred %p<2>; ; PTX-NEXT: .reg .b16 %rs<3>; ; PTX-NEXT: .reg .b32 %r<11>; ; PTX-NEXT: .reg .b64 %rd<8>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: // %entry ; PTX-NEXT: mov.b64 %rd1, non_kernel_function_param_0; ; PTX-NEXT: cvta.local.u64 %rd2, %rd1; ; PTX-NEXT: ld.param.b8 %rs1, [non_kernel_function_param_1]; ; PTX-NEXT: and.b16 %rs2, %rs1, 1; ; PTX-NEXT: setp.ne.b16 %p1, %rs2, 0; ; PTX-NEXT: mov.b64 %rd3, gi; ; PTX-NEXT: cvta.global.u64 %rd4, %rd3; ; PTX-NEXT: selp.b64 %rd5, %rd2, %rd4, %p1; ; PTX-NEXT: ld.param.s32 %rd6, [non_kernel_function_param_2]; ; PTX-NEXT: add.s64 %rd7, %rd5, %rd6; ; PTX-NEXT: ld.b8 %r1, [%rd7]; ; PTX-NEXT: ld.b8 %r2, [%rd7+1]; ; PTX-NEXT: shl.b32 %r3, %r2, 8; ; PTX-NEXT: or.b32 %r4, %r3, %r1; ; PTX-NEXT: ld.b8 %r5, [%rd7+2]; ; PTX-NEXT: shl.b32 %r6, %r5, 16; ; PTX-NEXT: ld.b8 %r7, [%rd7+3]; ; PTX-NEXT: shl.b32 %r8, %r7, 24; ; PTX-NEXT: or.b32 %r9, %r8, %r6; ; PTX-NEXT: or.b32 %r10, %r9, %r4; ; PTX-NEXT: st.param.b32 [func_retval0], %r10; ; PTX-NEXT: ret; entry: %a. = select i1 %b, ptr %a, ptr addrspacecast (ptr addrspace(1) @gi to ptr), !dbg !17 %idx.ext = sext i32 %c to i64, !dbg !18 %add.ptr = getelementptr inbounds i8, ptr %a., i64 %idx.ext, !dbg !18 %0 = load i32, ptr %add.ptr, align 1, !dbg !19 ret i32 %0, !dbg !23 } define ptx_kernel void @grid_const_int(ptr byval(i32) align 4 %input1, i32 %input2, ptr %out, i32 %n) { ; PTX-LABEL: grid_const_int( ; PTX: { ; PTX-NEXT: .reg .b32 %r<4>; ; PTX-NEXT: .reg .b64 %rd<3>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: ld.param.b64 %rd1, [grid_const_int_param_2]; ; PTX-NEXT: cvta.to.global.u64 %rd2, %rd1; ; PTX-NEXT: ld.param.b32 %r1, [grid_const_int_param_1]; ; PTX-NEXT: ld.param.b32 %r2, [grid_const_int_param_0]; ; PTX-NEXT: add.s32 %r3, %r2, %r1; ; PTX-NEXT: st.global.b32 [%rd2], %r3; ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @grid_const_int( ; OPT-SAME: ptr byval(i32) align 4 [[INPUT1:%.*]], i32 [[INPUT2:%.*]], ptr [[OUT:%.*]], i32 [[N:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[INPUT11:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT1]]) ; OPT-NEXT: [[TMP:%.*]] = load i32, ptr addrspace(101) [[INPUT11]], align 4 ; OPT-NEXT: [[ADD:%.*]] = add i32 [[TMP]], [[INPUT2]] ; OPT-NEXT: store i32 [[ADD]], ptr [[OUT]], align 4 ; OPT-NEXT: ret void %tmp = load i32, ptr %input1, align 4 %add = add i32 %tmp, %input2 store i32 %add, ptr %out ret void } %struct.s = type { i32, i32 } define ptx_kernel void @grid_const_struct(ptr byval(%struct.s) align 4 %input, ptr %out){ ; PTX-LABEL: grid_const_struct( ; PTX: { ; PTX-NEXT: .reg .b32 %r<4>; ; PTX-NEXT: .reg .b64 %rd<3>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: ld.param.b64 %rd1, [grid_const_struct_param_1]; ; PTX-NEXT: cvta.to.global.u64 %rd2, %rd1; ; PTX-NEXT: ld.param.b32 %r1, [grid_const_struct_param_0]; ; PTX-NEXT: ld.param.b32 %r2, [grid_const_struct_param_0+4]; ; PTX-NEXT: add.s32 %r3, %r1, %r2; ; PTX-NEXT: st.global.b32 [%rd2], %r3; ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @grid_const_struct( ; OPT-SAME: ptr byval([[STRUCT_S:%.*]]) align 4 [[INPUT:%.*]], ptr [[OUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[INPUT1:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[GEP13:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr addrspace(101) [[INPUT1]], i32 0, i32 0 ; OPT-NEXT: [[GEP22:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr addrspace(101) [[INPUT1]], i32 0, i32 1 ; OPT-NEXT: [[TMP1:%.*]] = load i32, ptr addrspace(101) [[GEP13]], align 4 ; OPT-NEXT: [[TMP2:%.*]] = load i32, ptr addrspace(101) [[GEP22]], align 4 ; OPT-NEXT: [[ADD:%.*]] = add i32 [[TMP1]], [[TMP2]] ; OPT-NEXT: store i32 [[ADD]], ptr [[OUT]], align 4 ; OPT-NEXT: ret void %gep1 = getelementptr inbounds %struct.s, ptr %input, i32 0, i32 0 %gep2 = getelementptr inbounds %struct.s, ptr %input, i32 0, i32 1 %int1 = load i32, ptr %gep1 %int2 = load i32, ptr %gep2 %add = add i32 %int1, %int2 store i32 %add, ptr %out ret void } define ptx_kernel void @grid_const_escape(ptr byval(%struct.s) align 4 %input) { ; PTX-LABEL: grid_const_escape( ; PTX: { ; PTX-NEXT: .reg .b64 %rd<4>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd1, grid_const_escape_param_0; ; PTX-NEXT: cvta.param.u64 %rd2, %rd1; ; PTX-NEXT: { // callseq 0, 0 ; PTX-NEXT: .param .b64 param0; ; PTX-NEXT: .param .b32 retval0; ; PTX-NEXT: st.param.b64 [param0], %rd2; ; PTX-NEXT: prototype_0 : .callprototype (.param .b32 _) _ (.param .b64 _); ; PTX-NEXT: mov.b64 %rd3, escape; ; PTX-NEXT: call (retval0), %rd3, (param0), prototype_0; ; PTX-NEXT: } // callseq 0 ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @grid_const_escape( ; OPT-SAME: ptr byval([[STRUCT_S:%.*]]) align 4 [[INPUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[INPUT_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: [[CALL:%.*]] = call i32 @escape(ptr [[INPUT_PARAM_GEN]]) ; OPT-NEXT: ret void %call = call i32 @escape(ptr %input) ret void } define ptx_kernel void @multiple_grid_const_escape(ptr byval(%struct.s) align 4 %input, i32 %a, ptr byval(i32) align 4 %b) { ; PTX-LABEL: multiple_grid_const_escape( ; PTX: { ; PTX-NEXT: .local .align 4 .b8 __local_depot4[4]; ; PTX-NEXT: .reg .b64 %SP; ; PTX-NEXT: .reg .b64 %SPL; ; PTX-NEXT: .reg .b32 %r<2>; ; PTX-NEXT: .reg .b64 %rd<8>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %SPL, __local_depot4; ; PTX-NEXT: cvta.local.u64 %SP, %SPL; ; PTX-NEXT: mov.b64 %rd1, multiple_grid_const_escape_param_0; ; PTX-NEXT: ld.param.b32 %r1, [multiple_grid_const_escape_param_1]; ; PTX-NEXT: mov.b64 %rd2, multiple_grid_const_escape_param_2; ; PTX-NEXT: cvta.param.u64 %rd3, %rd2; ; PTX-NEXT: cvta.param.u64 %rd4, %rd1; ; PTX-NEXT: add.u64 %rd5, %SP, 0; ; PTX-NEXT: add.u64 %rd6, %SPL, 0; ; PTX-NEXT: st.local.b32 [%rd6], %r1; ; PTX-NEXT: { // callseq 1, 0 ; PTX-NEXT: .param .b64 param0; ; PTX-NEXT: .param .b64 param1; ; PTX-NEXT: .param .b64 param2; ; PTX-NEXT: .param .b32 retval0; ; PTX-NEXT: st.param.b64 [param2], %rd3; ; PTX-NEXT: st.param.b64 [param1], %rd5; ; PTX-NEXT: st.param.b64 [param0], %rd4; ; PTX-NEXT: prototype_1 : .callprototype (.param .b32 _) _ (.param .b64 _, .param .b64 _, .param .b64 _); ; PTX-NEXT: mov.b64 %rd7, escape3; ; PTX-NEXT: call (retval0), %rd7, (param0, param1, param2), prototype_1; ; PTX-NEXT: } // callseq 1 ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @multiple_grid_const_escape( ; OPT-SAME: ptr byval([[STRUCT_S:%.*]]) align 4 [[INPUT:%.*]], i32 [[A:%.*]], ptr byval(i32) align 4 [[B:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[B]]) ; OPT-NEXT: [[B_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: [[TMP2:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[INPUT_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP2]] to ptr ; OPT-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4 ; OPT-NEXT: store i32 [[A]], ptr [[A_ADDR]], align 4 ; OPT-NEXT: [[CALL:%.*]] = call i32 @escape3(ptr [[INPUT_PARAM_GEN]], ptr [[A_ADDR]], ptr [[B_PARAM_GEN]]) ; OPT-NEXT: ret void %a.addr = alloca i32, align 4 store i32 %a, ptr %a.addr, align 4 %call = call i32 @escape3(ptr %input, ptr %a.addr, ptr %b) ret void } define ptx_kernel void @grid_const_memory_escape(ptr byval(%struct.s) align 4 %input, ptr %addr) { ; PTX-LABEL: grid_const_memory_escape( ; PTX: { ; PTX-NEXT: .reg .b64 %rd<5>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd1, grid_const_memory_escape_param_0; ; PTX-NEXT: ld.param.b64 %rd2, [grid_const_memory_escape_param_1]; ; PTX-NEXT: cvta.to.global.u64 %rd3, %rd2; ; PTX-NEXT: cvta.param.u64 %rd4, %rd1; ; PTX-NEXT: st.global.b64 [%rd3], %rd4; ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @grid_const_memory_escape( ; OPT-SAME: ptr byval([[STRUCT_S:%.*]]) align 4 [[INPUT:%.*]], ptr [[ADDR:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[INPUT1:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: store ptr [[INPUT1]], ptr [[ADDR]], align 8 ; OPT-NEXT: ret void store ptr %input, ptr %addr, align 8 ret void } define ptx_kernel void @grid_const_inlineasm_escape(ptr byval(%struct.s) align 4 %input, ptr %result) { ; PTX-LABEL: grid_const_inlineasm_escape( ; PTX: { ; PTX-NEXT: .reg .b64 %rd<7>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd4, grid_const_inlineasm_escape_param_0; ; PTX-NEXT: ld.param.b64 %rd5, [grid_const_inlineasm_escape_param_1]; ; PTX-NEXT: cvta.to.global.u64 %rd6, %rd5; ; PTX-NEXT: cvta.param.u64 %rd2, %rd4; ; PTX-NEXT: add.s64 %rd3, %rd2, 4; ; PTX-NEXT: // begin inline asm ; PTX-NEXT: add.s64 %rd1, %rd2, %rd3; ; PTX-NEXT: // end inline asm ; PTX-NEXT: st.global.b64 [%rd6], %rd1; ; PTX-NEXT: ret; ; PTX-NOT .local ; OPT-LABEL: define ptx_kernel void @grid_const_inlineasm_escape( ; OPT-SAME: ptr byval([[STRUCT_S:%.*]]) align 4 [[INPUT:%.*]], ptr [[RESULT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[INPUT1:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: [[TMPPTR1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[INPUT1]], i32 0, i32 0 ; OPT-NEXT: [[TMPPTR2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[INPUT1]], i32 0, i32 1 ; OPT-NEXT: [[TMP2:%.*]] = call i64 asm "add.s64 $0, $1, $2 ; OPT-NEXT: store i64 [[TMP2]], ptr [[RESULT]], align 8 ; OPT-NEXT: ret void %tmpptr1 = getelementptr inbounds %struct.s, ptr %input, i32 0, i32 0 %tmpptr2 = getelementptr inbounds %struct.s, ptr %input, i32 0, i32 1 %1 = call i64 asm "add.s64 $0, $1, $2;", "=l,l,l"(ptr %tmpptr1, ptr %tmpptr2) #1 store i64 %1, ptr %result, align 8 ret void } define ptx_kernel void @grid_const_partial_escape(ptr byval(i32) %input, ptr %output) { ; PTX-LABEL: grid_const_partial_escape( ; PTX: { ; PTX-NEXT: .reg .b32 %r<3>; ; PTX-NEXT: .reg .b64 %rd<6>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd1, grid_const_partial_escape_param_0; ; PTX-NEXT: ld.param.b64 %rd2, [grid_const_partial_escape_param_1]; ; PTX-NEXT: cvta.to.global.u64 %rd3, %rd2; ; PTX-NEXT: cvta.param.u64 %rd4, %rd1; ; PTX-NEXT: ld.param.b32 %r1, [grid_const_partial_escape_param_0]; ; PTX-NEXT: add.s32 %r2, %r1, %r1; ; PTX-NEXT: st.global.b32 [%rd3], %r2; ; PTX-NEXT: { // callseq 2, 0 ; PTX-NEXT: .param .b64 param0; ; PTX-NEXT: .param .b32 retval0; ; PTX-NEXT: st.param.b64 [param0], %rd4; ; PTX-NEXT: prototype_2 : .callprototype (.param .b32 _) _ (.param .b64 _); ; PTX-NEXT: mov.b64 %rd5, escape; ; PTX-NEXT: call (retval0), %rd5, (param0), prototype_2; ; PTX-NEXT: } // callseq 2 ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @grid_const_partial_escape( ; OPT-SAME: ptr byval(i32) [[INPUT:%.*]], ptr [[OUTPUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[INPUT1_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: [[VAL1:%.*]] = load i32, ptr [[INPUT1_GEN]], align 4 ; OPT-NEXT: [[TWICE:%.*]] = add i32 [[VAL1]], [[VAL1]] ; OPT-NEXT: store i32 [[TWICE]], ptr [[OUTPUT]], align 4 ; OPT-NEXT: [[CALL:%.*]] = call i32 @escape(ptr [[INPUT1_GEN]]) ; OPT-NEXT: ret void %val = load i32, ptr %input %twice = add i32 %val, %val store i32 %twice, ptr %output %call = call i32 @escape(ptr %input) ret void } define ptx_kernel i32 @grid_const_partial_escapemem(ptr byval(%struct.s) %input, ptr %output) { ; PTX-LABEL: grid_const_partial_escapemem( ; PTX: { ; PTX-NEXT: .reg .b32 %r<4>; ; PTX-NEXT: .reg .b64 %rd<6>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd1, grid_const_partial_escapemem_param_0; ; PTX-NEXT: ld.param.b64 %rd2, [grid_const_partial_escapemem_param_1]; ; PTX-NEXT: cvta.to.global.u64 %rd3, %rd2; ; PTX-NEXT: cvta.param.u64 %rd4, %rd1; ; PTX-NEXT: ld.param.b32 %r1, [grid_const_partial_escapemem_param_0]; ; PTX-NEXT: ld.param.b32 %r2, [grid_const_partial_escapemem_param_0+4]; ; PTX-NEXT: st.global.b64 [%rd3], %rd4; ; PTX-NEXT: add.s32 %r3, %r1, %r2; ; PTX-NEXT: { // callseq 3, 0 ; PTX-NEXT: .param .b64 param0; ; PTX-NEXT: .param .b32 retval0; ; PTX-NEXT: st.param.b64 [param0], %rd4; ; PTX-NEXT: prototype_3 : .callprototype (.param .b32 _) _ (.param .b64 _); ; PTX-NEXT: mov.b64 %rd5, escape; ; PTX-NEXT: call (retval0), %rd5, (param0), prototype_3; ; PTX-NEXT: } // callseq 3 ; PTX-NEXT: st.param.b32 [func_retval0], %r3; ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel i32 @grid_const_partial_escapemem( ; OPT-SAME: ptr byval([[STRUCT_S:%.*]]) [[INPUT:%.*]], ptr [[OUTPUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[INPUT1:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: [[PTR1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[INPUT1]], i32 0, i32 0 ; OPT-NEXT: [[VAL1:%.*]] = load i32, ptr [[PTR1]], align 4 ; OPT-NEXT: [[PTR2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[INPUT1]], i32 0, i32 1 ; OPT-NEXT: [[VAL2:%.*]] = load i32, ptr [[PTR2]], align 4 ; OPT-NEXT: store ptr [[INPUT1]], ptr [[OUTPUT]], align 8 ; OPT-NEXT: [[ADD:%.*]] = add i32 [[VAL1]], [[VAL2]] ; OPT-NEXT: [[CALL2:%.*]] = call i32 @escape(ptr [[PTR1]]) ; OPT-NEXT: ret i32 [[ADD]] %ptr1 = getelementptr inbounds %struct.s, ptr %input, i32 0, i32 0 %val1 = load i32, ptr %ptr1 %ptr2 = getelementptr inbounds %struct.s, ptr %input, i32 0, i32 1 %val2 = load i32, ptr %ptr2 store ptr %input, ptr %output %add = add i32 %val1, %val2 %call2 = call i32 @escape(ptr %ptr1) ret i32 %add } define ptx_kernel void @grid_const_phi(ptr byval(%struct.s) align 4 %input1, ptr %inout) { ; PTX-LABEL: grid_const_phi( ; PTX: { ; PTX-NEXT: .reg .pred %p<2>; ; PTX-NEXT: .reg .b32 %r<3>; ; PTX-NEXT: .reg .b64 %rd<4>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd3, grid_const_phi_param_0; ; PTX-NEXT: ld.param.b64 %rd2, [grid_const_phi_param_1]; ; PTX-NEXT: cvta.to.global.u64 %rd1, %rd2; ; PTX-NEXT: ld.global.b32 %r1, [%rd1]; ; PTX-NEXT: setp.lt.s32 %p1, %r1, 0; ; PTX-NEXT: @%p1 bra $L__BB9_2; ; PTX-NEXT: // %bb.1: // %second ; PTX-NEXT: add.s64 %rd3, %rd3, 4; ; PTX-NEXT: $L__BB9_2: // %merge ; PTX-NEXT: ld.param.b32 %r2, [%rd3]; ; PTX-NEXT: st.global.b32 [%rd1], %r2; ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @grid_const_phi( ; OPT-SAME: ptr byval([[STRUCT_S:%.*]]) align 4 [[INPUT1:%.*]], ptr [[INOUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT1]]) ; OPT-NEXT: [[INPUT1_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: [[VAL:%.*]] = load i32, ptr [[INOUT]], align 4 ; OPT-NEXT: [[LESS:%.*]] = icmp slt i32 [[VAL]], 0 ; OPT-NEXT: br i1 [[LESS]], label %[[FIRST:.*]], label %[[SECOND:.*]] ; OPT: [[FIRST]]: ; OPT-NEXT: [[PTR1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[INPUT1_PARAM_GEN]], i32 0, i32 0 ; OPT-NEXT: br label %[[MERGE:.*]] ; OPT: [[SECOND]]: ; OPT-NEXT: [[PTR2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[INPUT1_PARAM_GEN]], i32 0, i32 1 ; OPT-NEXT: br label %[[MERGE]] ; OPT: [[MERGE]]: ; OPT-NEXT: [[PTRNEW:%.*]] = phi ptr [ [[PTR1]], %[[FIRST]] ], [ [[PTR2]], %[[SECOND]] ] ; OPT-NEXT: [[VALLOADED:%.*]] = load i32, ptr [[PTRNEW]], align 4 ; OPT-NEXT: store i32 [[VALLOADED]], ptr [[INOUT]], align 4 ; OPT-NEXT: ret void %val = load i32, ptr %inout %less = icmp slt i32 %val, 0 br i1 %less, label %first, label %second first: %ptr1 = getelementptr inbounds %struct.s, ptr %input1, i32 0, i32 0 br label %merge second: %ptr2 = getelementptr inbounds %struct.s, ptr %input1, i32 0, i32 1 br label %merge merge: %ptrnew = phi ptr [%ptr1, %first], [%ptr2, %second] %valloaded = load i32, ptr %ptrnew store i32 %valloaded, ptr %inout ret void } ; NOTE: %input2 is *not* grid_constant define ptx_kernel void @grid_const_phi_ngc(ptr byval(%struct.s) align 4 %input1, ptr byval(%struct.s) %input2, ptr %inout) { ; PTX-LABEL: grid_const_phi_ngc( ; PTX: { ; PTX-NEXT: .reg .pred %p<2>; ; PTX-NEXT: .reg .b32 %r<3>; ; PTX-NEXT: .reg .b64 %rd<5>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd4, grid_const_phi_ngc_param_0; ; PTX-NEXT: ld.param.b64 %rd3, [grid_const_phi_ngc_param_2]; ; PTX-NEXT: cvta.to.global.u64 %rd1, %rd3; ; PTX-NEXT: ld.global.b32 %r1, [%rd1]; ; PTX-NEXT: setp.lt.s32 %p1, %r1, 0; ; PTX-NEXT: @%p1 bra $L__BB10_2; ; PTX-NEXT: // %bb.1: // %second ; PTX-NEXT: mov.b64 %rd2, grid_const_phi_ngc_param_1; ; PTX-NEXT: add.s64 %rd4, %rd2, 4; ; PTX-NEXT: $L__BB10_2: // %merge ; PTX-NEXT: ld.param.b32 %r2, [%rd4]; ; PTX-NEXT: st.global.b32 [%rd1], %r2; ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @grid_const_phi_ngc( ; OPT-SAME: ptr byval([[STRUCT_S:%.*]]) align 4 [[INPUT1:%.*]], ptr byval([[STRUCT_S]]) [[INPUT2:%.*]], ptr [[INOUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT2]]) ; OPT-NEXT: [[INPUT2_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: [[TMP2:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT1]]) ; OPT-NEXT: [[INPUT1_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP2]] to ptr ; OPT-NEXT: [[VAL:%.*]] = load i32, ptr [[INOUT]], align 4 ; OPT-NEXT: [[LESS:%.*]] = icmp slt i32 [[VAL]], 0 ; OPT-NEXT: br i1 [[LESS]], label %[[FIRST:.*]], label %[[SECOND:.*]] ; OPT: [[FIRST]]: ; OPT-NEXT: [[PTR1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[INPUT1_PARAM_GEN]], i32 0, i32 0 ; OPT-NEXT: br label %[[MERGE:.*]] ; OPT: [[SECOND]]: ; OPT-NEXT: [[PTR2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[INPUT2_PARAM_GEN]], i32 0, i32 1 ; OPT-NEXT: br label %[[MERGE]] ; OPT: [[MERGE]]: ; OPT-NEXT: [[PTRNEW:%.*]] = phi ptr [ [[PTR1]], %[[FIRST]] ], [ [[PTR2]], %[[SECOND]] ] ; OPT-NEXT: [[VALLOADED:%.*]] = load i32, ptr [[PTRNEW]], align 4 ; OPT-NEXT: store i32 [[VALLOADED]], ptr [[INOUT]], align 4 ; OPT-NEXT: ret void %val = load i32, ptr %inout %less = icmp slt i32 %val, 0 br i1 %less, label %first, label %second first: %ptr1 = getelementptr inbounds %struct.s, ptr %input1, i32 0, i32 0 br label %merge second: %ptr2 = getelementptr inbounds %struct.s, ptr %input2, i32 0, i32 1 br label %merge merge: %ptrnew = phi ptr [%ptr1, %first], [%ptr2, %second] %valloaded = load i32, ptr %ptrnew store i32 %valloaded, ptr %inout ret void } ; NOTE: %input2 is *not* grid_constant define ptx_kernel void @grid_const_select(ptr byval(i32) align 4 %input1, ptr byval(i32) %input2, ptr %inout) { ; PTX-LABEL: grid_const_select( ; PTX: { ; PTX-NEXT: .reg .pred %p<2>; ; PTX-NEXT: .reg .b32 %r<3>; ; PTX-NEXT: .reg .b64 %rd<6>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd1, grid_const_select_param_0; ; PTX-NEXT: ld.param.b64 %rd2, [grid_const_select_param_2]; ; PTX-NEXT: cvta.to.global.u64 %rd3, %rd2; ; PTX-NEXT: mov.b64 %rd4, grid_const_select_param_1; ; PTX-NEXT: ld.global.b32 %r1, [%rd3]; ; PTX-NEXT: setp.lt.s32 %p1, %r1, 0; ; PTX-NEXT: selp.b64 %rd5, %rd1, %rd4, %p1; ; PTX-NEXT: ld.param.b32 %r2, [%rd5]; ; PTX-NEXT: st.global.b32 [%rd3], %r2; ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel void @grid_const_select( ; OPT-SAME: ptr byval(i32) align 4 [[INPUT1:%.*]], ptr byval(i32) [[INPUT2:%.*]], ptr [[INOUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[TMP1:%.*]] = call ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT2]]) ; OPT-NEXT: [[INPUT2_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP1]] to ptr ; OPT-NEXT: [[TMP2:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT1]]) ; OPT-NEXT: [[INPUT1_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[TMP2]] to ptr ; OPT-NEXT: [[VAL:%.*]] = load i32, ptr [[INOUT]], align 4 ; OPT-NEXT: [[LESS:%.*]] = icmp slt i32 [[VAL]], 0 ; OPT-NEXT: [[PTRNEW:%.*]] = select i1 [[LESS]], ptr [[INPUT1_PARAM_GEN]], ptr [[INPUT2_PARAM_GEN]] ; OPT-NEXT: [[VALLOADED:%.*]] = load i32, ptr [[PTRNEW]], align 4 ; OPT-NEXT: store i32 [[VALLOADED]], ptr [[INOUT]], align 4 ; OPT-NEXT: ret void %val = load i32, ptr %inout %less = icmp slt i32 %val, 0 %ptrnew = select i1 %less, ptr %input1, ptr %input2 %valloaded = load i32, ptr %ptrnew store i32 %valloaded, ptr %inout ret void } define ptx_kernel i32 @grid_const_ptrtoint(ptr byval(i32) %input) { ; PTX-LABEL: grid_const_ptrtoint( ; PTX: { ; PTX-NEXT: .reg .b32 %r<4>; ; PTX-NEXT: .reg .b64 %rd<3>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: mov.b64 %rd1, grid_const_ptrtoint_param_0; ; PTX-NEXT: ld.param.b32 %r1, [grid_const_ptrtoint_param_0]; ; PTX-NEXT: cvta.param.u64 %rd2, %rd1; ; PTX-NEXT: cvt.u32.u64 %r2, %rd2; ; PTX-NEXT: add.s32 %r3, %r1, %r2; ; PTX-NEXT: st.param.b32 [func_retval0], %r3; ; PTX-NEXT: ret; ; OPT-LABEL: define ptx_kernel i32 @grid_const_ptrtoint( ; OPT-SAME: ptr byval(i32) align 4 [[INPUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[INPUT2:%.*]] = call ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[INPUT3:%.*]] = load i32, ptr addrspace(101) [[INPUT2]], align 4 ; OPT-NEXT: [[INPUT1:%.*]] = addrspacecast ptr addrspace(101) [[INPUT2]] to ptr ; OPT-NEXT: [[PTRVAL:%.*]] = ptrtoint ptr [[INPUT1]] to i32 ; OPT-NEXT: [[KEEPALIVE:%.*]] = add i32 [[INPUT3]], [[PTRVAL]] ; OPT-NEXT: ret i32 [[KEEPALIVE]] %val = load i32, ptr %input %ptrval = ptrtoint ptr %input to i32 %keepalive = add i32 %val, %ptrval ret i32 %keepalive } declare void @device_func(ptr byval(i32) align 4) define ptx_kernel void @test_forward_byval_arg(ptr byval(i32) align 4 %input) { ; OPT-LABEL: define ptx_kernel void @test_forward_byval_arg( ; OPT-SAME: ptr byval(i32) align 4 [[INPUT:%.*]]) #[[ATTR0]] { ; OPT-NEXT: [[INPUT_PARAM:%.*]] = call align 4 ptr addrspace(101) @llvm.nvvm.internal.addrspace.wrap.p101.p0(ptr [[INPUT]]) ; OPT-NEXT: [[INPUT_PARAM_GEN:%.*]] = addrspacecast ptr addrspace(101) [[INPUT_PARAM]] to ptr ; OPT-NEXT: call void @device_func(ptr byval(i32) align 4 [[INPUT_PARAM_GEN]]) ; OPT-NEXT: ret void ; ; PTX-LABEL: test_forward_byval_arg( ; PTX: { ; PTX-NEXT: .reg .b32 %r<2>; ; PTX-EMPTY: ; PTX-NEXT: // %bb.0: ; PTX-NEXT: { // callseq 4, 0 ; PTX-NEXT: .param .align 4 .b8 param0[4]; ; PTX-NEXT: ld.param.b32 %r1, [test_forward_byval_arg_param_0]; ; PTX-NEXT: st.param.b32 [param0], %r1; ; PTX-NEXT: call.uni device_func, (param0); ; PTX-NEXT: } // callseq 4 ; PTX-NEXT: ret; call void @device_func(ptr byval(i32) align 4 %input) ret void } declare dso_local void @dummy() local_unnamed_addr declare dso_local ptr @escape(ptr) local_unnamed_addr declare dso_local ptr @escape3(ptr, ptr, ptr) local_unnamed_addr !nvvm.annotations = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9, !10, !11, !12, !13, !14, !15, !16, !17, !18, !19, !20, !21, !22, !23, !24} !0 = !{ptr @grid_const_int, !"grid_constant", !1} !1 = !{i32 1} !2 = !{ptr @grid_const_struct, !"grid_constant", !3} !3 = !{i32 1} !4 = !{ptr @grid_const_escape, !"grid_constant", !5} !5 = !{i32 1} !6 = !{ptr @multiple_grid_const_escape, !"grid_constant", !7} !7 = !{i32 1, i32 3} !8 = !{ptr @grid_const_memory_escape, !"grid_constant", !9} !9 = !{i32 1} !10 = !{ptr @grid_const_inlineasm_escape, !"grid_constant", !11} !11 = !{i32 1} !12 = !{ptr @grid_const_partial_escape, !"grid_constant", !13} !13 = !{i32 1} !14 = !{ptr @grid_const_partial_escapemem, !"grid_constant", !15} !15 = !{i32 1} !16 = !{ptr @grid_const_phi, !"grid_constant", !17} !17 = !{i32 1} !18 = !{ptr @grid_const_phi_ngc, !"grid_constant", !19} !19 = !{i32 1} !20 = !{ptr @grid_const_select, !"grid_constant", !21} !21 = !{i32 1} !22 = !{ptr @grid_const_ptrtoint, !"grid_constant", !23} !23 = !{i32 1} !24 = !{ptr @test_forward_byval_arg, !"grid_constant", !25} !25 = !{i32 1}