diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/rewrite-out-arguments.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/rewrite-out-arguments.ll | 563 |
1 files changed, 563 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/rewrite-out-arguments.ll b/llvm/test/CodeGen/AMDGPU/rewrite-out-arguments.ll new file mode 100644 index 00000000000..70fef25d6a9 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/rewrite-out-arguments.ll @@ -0,0 +1,563 @@ +; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -amdgpu-rewrite-out-arguments < %s | FileCheck %s + +; CHECK: %void_one_out_arg_i32_1_use = type { i32 } +; CHECK: %void_one_out_arg_i32_1_use_align = type { i32 } +; CHECK: %void_one_out_arg_i32_2_use = type { i32 } +; CHECK: %void_one_out_arg_i32_2_stores = type { i32 } +; CHECK: %void_one_out_arg_i32_2_stores_clobber = type { i32 } +; CHECK: %void_one_out_arg_i32_pre_call_may_clobber = type { i32 } +; CHECK: %void_one_out_arg_v2i32_1_use = type { <2 x i32> } +; CHECK: %void_one_out_arg_struct_1_use = type { %struct } +; CHECK: %struct = type { i32, i8, float } +; CHECK: %i32_one_out_arg_i32_1_use = type { i32, i32 } +; CHECK: %unused_different_type = type { float } +; CHECK: %multiple_same_return_noalias = type { i32, i32 } +; CHECK: %multiple_same_return_mayalias = type { i32, i32 } +; CHECK: %multiple_same_return_mayalias_order = type { i32, i32 } +; CHECK: %i1_one_out_arg_i32_1_use = type { i1, i32 } +; CHECK: %i1_zeroext_one_out_arg_i32_1_use = type { i1, i32 } +; CHECK: %i1_signext_one_out_arg_i32_1_use = type { i1, i32 } +; CHECK: %p1i32_noalias_one_out_arg_i32_1_use = type { i32 addrspace(1)*, i32 } +; CHECK: %func_ptr_type = type { void ()* } +; CHECK: %out_arg_small_array = type { [4 x i32] } +; CHECK: %num_regs_reach_limit = type { [15 x i32], i32 } +; CHECK: %num_regs_reach_limit_leftover = type { [15 x i32], i32, i32 } +; CHECK: %preserve_debug_info = type { i32 } +; CHECK: %preserve_metadata = type { i32 } + +; CHECK-LABEL: define void @no_ret_blocks() #0 { +; CHECK-NEXT: unreachable +define void @no_ret_blocks() #0 { + unreachable +} + +; CHECK-LABEL: @void_one_out_arg_i32_no_use( +; CHECK-NEXT: ret void +define void @void_one_out_arg_i32_no_use(i32* %val) #0 { + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @skip_byval_arg( +; CHECK-NEXT: store i32 0, i32* %val +; CHECK-NEXT: ret void +define void @skip_byval_arg(i32* byval %val) #0 { + store i32 0, i32* %val + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @skip_optnone( +; CHECK-NEXT: store i32 0, i32* %val +; CHECK-NEXT: ret void +define void @skip_optnone(i32* byval %val) #1 { + store i32 0, i32* %val + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @skip_volatile( +; CHECK-NEXT: store volatile i32 0, i32* %val +; CHECK-NEXT: ret void +define void @skip_volatile(i32* byval %val) #0 { + store volatile i32 0, i32* %val + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @skip_atomic( +; CHECK-NEXT: store atomic i32 0, i32* %val +; CHECK-NEXT: ret void +define void @skip_atomic(i32* byval %val) #0 { + store atomic i32 0, i32* %val seq_cst, align 4 + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @skip_store_pointer_val( +; CHECK-NEXT: store i32* %val, i32** undef +; CHECK-NEXT: ret void +define void @skip_store_pointer_val(i32* %val) #0 { + store i32* %val, i32** undef + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @skip_store_gep( +; CHECK-NEXT: %gep = getelementptr inbounds i32, i32* %val, i32 1 +; CHECK-NEXT: store i32 0, i32* %gep +; CHECK-NEXT: ret void +define void @skip_store_gep(i32* %val) #0 { + %gep = getelementptr inbounds i32, i32* %val, i32 1 + store i32 0, i32* %gep + ret void +} + +; CHECK-LABEL: define void @skip_sret(i32* sret %sret, i32* %out) #0 { +; CHECK-NEXT: store +; CHECK-NEXT: store +; CHECK-NEXT: ret void +define void @skip_sret(i32* sret %sret, i32* %out) #0 { + store i32 1, i32* %sret + store i32 0, i32* %out + ret void +} + +; CHECK-LABEL: define private %void_one_out_arg_i32_1_use @void_one_out_arg_i32_1_use.body(i32* %val) #0 { +; CHECK-NEXT: ret %void_one_out_arg_i32_1_use zeroinitializer + +; CHECK-LABEL: @void_one_out_arg_i32_1_use( +; CHECK-NEXT: %2 = call %void_one_out_arg_i32_1_use @void_one_out_arg_i32_1_use.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %void_one_out_arg_i32_1_use %2, 0 +; CHECK-NEXT: store i32 %3, i32* %0, align 4 +; CHECK-NEXT: ret void +define void @void_one_out_arg_i32_1_use(i32* %val) #0 { + store i32 0, i32* %val + ret void +} + +; CHECK-LABEL: define private %void_one_out_arg_i32_1_use_align @void_one_out_arg_i32_1_use_align.body(i32* align 8 %val) #0 { +; CHECK-NEXT: ret %void_one_out_arg_i32_1_use_align zeroinitializer + +; CHECK-LABEL: @void_one_out_arg_i32_1_use_align( +; CHECK-NEXT: %2 = call %void_one_out_arg_i32_1_use_align @void_one_out_arg_i32_1_use_align.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %void_one_out_arg_i32_1_use_align %2, 0 +; CHECK-NEXT: store i32 %3, i32* %0, align 8 +; CHECK-NEXT: ret void +define void @void_one_out_arg_i32_1_use_align(i32* align 8 %val) #0 { + store i32 0, i32* %val, align 8 + ret void +} + +; CHECK-LABEL: define private %void_one_out_arg_i32_2_use @void_one_out_arg_i32_2_use.body(i1 %arg0, i32* %val) #0 { +; CHECK: br i1 %arg0, label %ret0, label %ret1 + +; CHECK: ret0: +; CHECK-NEXT: ret %void_one_out_arg_i32_2_use zeroinitializer + +; CHECK: ret1: +; CHECK-NEXT: ret %void_one_out_arg_i32_2_use { i32 9 } + +; CHECK-LABEL: define void @void_one_out_arg_i32_2_use(i1, i32*) #2 { +; CHECK-NEXT: %3 = call %void_one_out_arg_i32_2_use @void_one_out_arg_i32_2_use.body(i1 %0, i32* undef) +; CHECK-NEXT: %4 = extractvalue %void_one_out_arg_i32_2_use %3, 0 +; CHECK-NEXT: store i32 %4, i32* %1, align 4 +; CHECK-NEXT: ret void +define void @void_one_out_arg_i32_2_use(i1 %arg0, i32* %val) #0 { + br i1 %arg0, label %ret0, label %ret1 + +ret0: + store i32 0, i32* %val + ret void + +ret1: + store i32 9, i32* %val + ret void +} + +declare void @may.clobber() + +; CHECK-LABEL: define private %void_one_out_arg_i32_2_stores @void_one_out_arg_i32_2_stores.body(i32* %val) #0 { +; CHECK-NEXT: store i32 0, i32* %val +; CHECK-NEXT: ret %void_one_out_arg_i32_2_stores { i32 1 } + +; CHECK-LABEL: define void @void_one_out_arg_i32_2_stores(i32*) #2 { +; CHECK-NEXT: %2 = call %void_one_out_arg_i32_2_stores @void_one_out_arg_i32_2_stores.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %void_one_out_arg_i32_2_stores %2, 0 +; CHECK-NEXT: store i32 %3, i32* %0, align 4 +define void @void_one_out_arg_i32_2_stores(i32* %val) #0 { + store i32 0, i32* %val + store i32 1, i32* %val + ret void +} + +; CHECK-LABEL: define private %void_one_out_arg_i32_2_stores_clobber @void_one_out_arg_i32_2_stores_clobber.body(i32* %val) #0 { +; CHECK-NEXT: store i32 0, i32* %val +; CHECK-NEXT: call void @may.clobber() +; CHECK-NEXT: ret %void_one_out_arg_i32_2_stores_clobber { i32 1 } + +; CHECK-LABEL: define void @void_one_out_arg_i32_2_stores_clobber(i32*) #2 { +; CHECK-NEXT: %2 = call %void_one_out_arg_i32_2_stores_clobber @void_one_out_arg_i32_2_stores_clobber.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %void_one_out_arg_i32_2_stores_clobber %2, 0 +; CHECK-NEXT: store i32 %3, i32* %0, align 4 +; CHECK-NEXT: ret void +define void @void_one_out_arg_i32_2_stores_clobber(i32* %val) #0 { + store i32 0, i32* %val + call void @may.clobber() + store i32 1, i32* %val + ret void +} + +; CHECK-NOT: define + +; CHECK-LABEL: define void @void_one_out_arg_i32_call_may_clobber(i32* %val) #0 { +; CHECK-NEXT: store i32 0, i32* %val +; CHECK-NEXT: call void @may.clobber() +; CHECK-NEXT: ret void +define void @void_one_out_arg_i32_call_may_clobber(i32* %val) #0 { + store i32 0, i32* %val + call void @may.clobber() + ret void +} + +; CHECK-LABEL: define private %void_one_out_arg_i32_pre_call_may_clobber @void_one_out_arg_i32_pre_call_may_clobber.body(i32* %val) #0 { +; CHECK-NEXT: call void @may.clobber() +; CHECK-NEXT: ret %void_one_out_arg_i32_pre_call_may_clobber zeroinitializer + +; CHECK-LABEL: @void_one_out_arg_i32_pre_call_may_clobber(i32*) #2 { +; CHECK-NEXT: %2 = call %void_one_out_arg_i32_pre_call_may_clobber @void_one_out_arg_i32_pre_call_may_clobber.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %void_one_out_arg_i32_pre_call_may_clobber %2, 0 +; CHECK-NEXT: store i32 %3, i32* %0, align 4 +; CHECK-NEXT: ret void +define void @void_one_out_arg_i32_pre_call_may_clobber(i32* %val) #0 { + call void @may.clobber() + store i32 0, i32* %val + ret void +} + +; CHECK-LABEL: define void @void_one_out_arg_i32_reload(i32* %val) #0 { +; CHECK: store i32 0, i32* %val +; CHECK: %load = load i32, i32* %val, align 4 +; CHECK: ret void +define void @void_one_out_arg_i32_reload(i32* %val) #0 { + store i32 0, i32* %val + %load = load i32, i32* %val, align 4 + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @void_one_out_arg_i32_store_in_different_block( +; CHECK-NEXT: %load = load i32, i32 addrspace(1)* undef +; CHECK-NEXT: store i32 0, i32* %out +; CHECK-NEXT: br label %ret +; CHECK: ret: +; CHECK-NEXT: ret void +define void @void_one_out_arg_i32_store_in_different_block(i32* %out) #0 { + %load = load i32, i32 addrspace(1)* undef + store i32 0, i32* %out + br label %ret + +ret: + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @unused_out_arg_one_branch( +; CHECK: ret0: +; CHECK-NEXT: ret void + +; CHECK: ret1: +; CHECK-NEXT: store i32 9, i32* %val +; CHECK-NEXT: ret void +define void @unused_out_arg_one_branch(i1 %arg0, i32* %val) #0 { + br i1 %arg0, label %ret0, label %ret1 + +ret0: + ret void + +ret1: + store i32 9, i32* %val + ret void +} + +; CHECK-LABEL: define private %void_one_out_arg_v2i32_1_use @void_one_out_arg_v2i32_1_use.body(<2 x i32>* %val) #0 { +; CHECK-NEXT: ret %void_one_out_arg_v2i32_1_use { <2 x i32> <i32 17, i32 9> } + +; CHECK-LABEL: define void @void_one_out_arg_v2i32_1_use(<2 x i32>*) #2 { +; CHECK-NEXT: %2 = call %void_one_out_arg_v2i32_1_use @void_one_out_arg_v2i32_1_use.body(<2 x i32>* undef) +; CHECK-NEXT: %3 = extractvalue %void_one_out_arg_v2i32_1_use %2, 0 +; CHECK-NEXT: store <2 x i32> %3, <2 x i32>* %0, align 8 +; CHCEK-NEXT: ret void +define void @void_one_out_arg_v2i32_1_use(<2 x i32>* %val) #0 { + store <2 x i32> <i32 17, i32 9>, <2 x i32>* %val + ret void +} + +%struct = type { i32, i8, float } + +; CHECK-LABEL: define private %void_one_out_arg_struct_1_use @void_one_out_arg_struct_1_use.body(%struct* %out) #0 { +; CHECK-NEXT: ret %void_one_out_arg_struct_1_use { %struct { i32 9, i8 99, float 4.000000e+00 } } + +; Normally this is split into element accesses which we don't handle. +; CHECK-LABEL: define void @void_one_out_arg_struct_1_use(%struct*) #2 { +; CHECK-NEXT: %2 = call %void_one_out_arg_struct_1_use @void_one_out_arg_struct_1_use.body(%struct* undef) +; CHECK-NEXT: %3 = extractvalue %void_one_out_arg_struct_1_use %2, 0 +; CHECK-NEXT: store %struct %3, %struct* %0, align 4 +; CHECK-NEXT: ret void +define void @void_one_out_arg_struct_1_use(%struct* %out) #0 { + store %struct { i32 9, i8 99, float 4.0 }, %struct* %out + ret void +} + +; CHECK-LABEL: define private %i32_one_out_arg_i32_1_use @i32_one_out_arg_i32_1_use.body(i32* %val) #0 { +; CHECK-NEXT: ret %i32_one_out_arg_i32_1_use { i32 9, i32 24 } + +; CHECK-LABEL: define i32 @i32_one_out_arg_i32_1_use(i32*) #2 { +; CHECK-NEXT: %2 = call %i32_one_out_arg_i32_1_use @i32_one_out_arg_i32_1_use.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %i32_one_out_arg_i32_1_use %2, 1 +; CHECK-NEXT: store i32 %3, i32* %0, align 4 +; CHECK-NEXT: %4 = extractvalue %i32_one_out_arg_i32_1_use %2, 0 +; CHECK-NEXT: ret i32 %4 +define i32 @i32_one_out_arg_i32_1_use(i32* %val) #0 { + store i32 24, i32* %val + ret i32 9 +} + +; CHECK-LABEL: define private %unused_different_type @unused_different_type.body(i32* %arg0, float* nocapture %arg1) #0 { +; CHECK-NEXT: ret %unused_different_type { float 4.000000e+00 } + +; CHECK-LABEL: define void @unused_different_type(i32*, float* nocapture) #2 { +; CHECK-NEXT: %3 = call %unused_different_type @unused_different_type.body(i32* %0, float* undef) +; CHECK-NEXT: %4 = extractvalue %unused_different_type %3, 0 +; CHECK-NEXT: store float %4, float* %1, align 4 +; CHECK-NEXT ret void +define void @unused_different_type(i32* %arg0, float* nocapture %arg1) #0 { + store float 4.0, float* %arg1, align 4 + ret void +} + +; CHECK-LABEL: define private %multiple_same_return_noalias @multiple_same_return_noalias.body(i32* noalias %out0, i32* noalias %out1) #0 { +; CHECK-NEXT: ret %multiple_same_return_noalias { i32 1, i32 2 } + +; CHECK-LABEL: define void @multiple_same_return_noalias( +; CHECK-NEXT: %3 = call %multiple_same_return_noalias @multiple_same_return_noalias.body(i32* undef, i32* undef) +; CHECK-NEXT: %4 = extractvalue %multiple_same_return_noalias %3, 0 +; CHECK-NEXT: store i32 %4, i32* %0, align 4 +; CHECK-NEXT: %5 = extractvalue %multiple_same_return_noalias %3, 1 +; CHECK-NEXT: store i32 %5, i32* %1, align 4 +; CHECK-NEXT: ret void +define void @multiple_same_return_noalias(i32* noalias %out0, i32* noalias %out1) #0 { + store i32 1, i32* %out0, align 4 + store i32 2, i32* %out1, align 4 + ret void +} + +; CHECK-LABEL: define private %multiple_same_return_mayalias @multiple_same_return_mayalias.body(i32* %out0, i32* %out1) #0 { +; CHECK-NEXT: ret %multiple_same_return_mayalias { i32 2, i32 1 } + +; CHECK-LABEL: define void @multiple_same_return_mayalias(i32*, i32*) #2 { +; CHECK-NEXT: %3 = call %multiple_same_return_mayalias @multiple_same_return_mayalias.body(i32* undef, i32* undef) +; CHECK-NEXT: %4 = extractvalue %multiple_same_return_mayalias %3, 0 +; CHECK-NEXT: store i32 %4, i32* %0, align 4 +; CHECK-NEXT: %5 = extractvalue %multiple_same_return_mayalias %3, 1 +; CHECK-NEXT: store i32 %5, i32* %1, align 4 +; CHECK-NEXT: ret void +define void @multiple_same_return_mayalias(i32* %out0, i32* %out1) #0 { + store i32 1, i32* %out0, align 4 + store i32 2, i32* %out1, align 4 + ret void +} + +; CHECK-LABEL: define private %multiple_same_return_mayalias_order @multiple_same_return_mayalias_order.body(i32* %out0, i32* %out1) #0 { +; CHECK-NEXT: ret %multiple_same_return_mayalias_order { i32 1, i32 2 } + +; CHECK-LABEL: define void @multiple_same_return_mayalias_order(i32*, i32*) #2 { +; CHECK-NEXT: %3 = call %multiple_same_return_mayalias_order @multiple_same_return_mayalias_order.body(i32* undef, i32* undef) +; CHECK-NEXT: %4 = extractvalue %multiple_same_return_mayalias_order %3, 0 +; CHECK-NEXT: store i32 %4, i32* %0, align 4 +; CHECK-NEXT: %5 = extractvalue %multiple_same_return_mayalias_order %3, 1 +; CHECK-NEXT: store i32 %5, i32* %1, align 4 +; CHECK-NEXT: ret void +define void @multiple_same_return_mayalias_order(i32* %out0, i32* %out1) #0 { + store i32 2, i32* %out1, align 4 + store i32 1, i32* %out0, align 4 + ret void +} + +; Currently this fails to convert because the store won't be found if +; it isn't in the same block as the return. +; CHECK-LABEL: define i32 @store_in_entry_block(i1 %arg0, i32* %out) #0 { +; CHECK-NOT: call +define i32 @store_in_entry_block(i1 %arg0, i32* %out) #0 { +entry: + %val0 = load i32, i32 addrspace(1)* undef + store i32 %val0, i32* %out + br i1 %arg0, label %if, label %endif + +if: + %val1 = load i32, i32 addrspace(1)* undef + br label %endif + +endif: + %phi = phi i32 [ 0, %entry ], [ %val1, %if ] + ret i32 %phi +} + +; CHECK-LABEL: define private %i1_one_out_arg_i32_1_use @i1_one_out_arg_i32_1_use.body(i32* %val) #0 { +; CHECK-NEXT: ret %i1_one_out_arg_i32_1_use { i1 true, i32 24 } + +; CHECK-LABEL: define i1 @i1_one_out_arg_i32_1_use(i32*) #2 { +; CHECK: %2 = call %i1_one_out_arg_i32_1_use @i1_one_out_arg_i32_1_use.body(i32* undef) +; CHECK: %3 = extractvalue %i1_one_out_arg_i32_1_use %2, 1 +; CHECK: store i32 %3, i32* %0, align 4 +; CHECK: %4 = extractvalue %i1_one_out_arg_i32_1_use %2, 0 +; CHECK: ret i1 %4 +define i1 @i1_one_out_arg_i32_1_use(i32* %val) #0 { + store i32 24, i32* %val + ret i1 true +} + +; Make sure we don't leave around return attributes that are +; incompatible with struct return types. + +; CHECK-LABEL: define private %i1_zeroext_one_out_arg_i32_1_use @i1_zeroext_one_out_arg_i32_1_use.body(i32* %val) #0 { +; CHECK-NEXT: ret %i1_zeroext_one_out_arg_i32_1_use { i1 true, i32 24 } + +; CHECK-LABEL: define zeroext i1 @i1_zeroext_one_out_arg_i32_1_use(i32*) #2 { +; CHECK-NEXT: %2 = call %i1_zeroext_one_out_arg_i32_1_use @i1_zeroext_one_out_arg_i32_1_use.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %i1_zeroext_one_out_arg_i32_1_use %2, 1 +; CHECK-NEXT: store i32 %3, i32* %0, align 4 +; CHECK-NEXT: %4 = extractvalue %i1_zeroext_one_out_arg_i32_1_use %2, 0 +; CHECK-NEXT: ret i1 %4 +define zeroext i1 @i1_zeroext_one_out_arg_i32_1_use(i32* %val) #0 { + store i32 24, i32* %val + ret i1 true +} + +; CHECK-LABEL: define private %i1_signext_one_out_arg_i32_1_use @i1_signext_one_out_arg_i32_1_use.body(i32* %val) #0 { +; CHECK-NEXT: ret %i1_signext_one_out_arg_i32_1_use { i1 true, i32 24 } + +; CHECK-LABEL: define signext i1 @i1_signext_one_out_arg_i32_1_use(i32*) #2 { +; CHECK-NEXT: %2 = call %i1_signext_one_out_arg_i32_1_use @i1_signext_one_out_arg_i32_1_use.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %i1_signext_one_out_arg_i32_1_use %2, 1 +; CHECK-NEXT: store i32 %3, i32* %0, align 4 +; CHECK-NEXT: %4 = extractvalue %i1_signext_one_out_arg_i32_1_use %2, 0 +; CHECK-NEXT: ret i1 %4 +define signext i1 @i1_signext_one_out_arg_i32_1_use(i32* %val) #0 { + store i32 24, i32* %val + ret i1 true +} + +; CHECK-LABEL: define private %p1i32_noalias_one_out_arg_i32_1_use @p1i32_noalias_one_out_arg_i32_1_use.body(i32* %val) #0 { +; CHECK-NEXT: ret %p1i32_noalias_one_out_arg_i32_1_use { i32 addrspace(1)* null, i32 24 } + +; CHECK-LABEL: define noalias i32 addrspace(1)* @p1i32_noalias_one_out_arg_i32_1_use(i32*) #2 { +; CHECK-NEXT: %2 = call %p1i32_noalias_one_out_arg_i32_1_use @p1i32_noalias_one_out_arg_i32_1_use.body(i32* undef) +; CHECK-NEXT: %3 = extractvalue %p1i32_noalias_one_out_arg_i32_1_use %2, 1 +; CHECK-NEXT: store i32 %3, i32* %0, align 4 +; CHECK-NEXT: %4 = extractvalue %p1i32_noalias_one_out_arg_i32_1_use %2, 0 +; CHECK-NEXT: ret i32 addrspace(1)* %4 +define noalias i32 addrspace(1)* @p1i32_noalias_one_out_arg_i32_1_use(i32* %val) #0 { + store i32 24, i32* %val + ret i32 addrspace(1)* null +} + +; CHECK-LABEL: define void @void_one_out_non_private_arg_i32_1_use(i32 addrspace(1)* %val) #0 { +; CHECK-NEXT: store i32 0, i32 addrspace(1)* %val +; CHECK-NEXT: ret void +define void @void_one_out_non_private_arg_i32_1_use(i32 addrspace(1)* %val) #0 { + store i32 0, i32 addrspace(1)* %val + ret void +} + +; CHECK-LABEL: define private %func_ptr_type @func_ptr_type.body(void ()** %out) #0 { +; CHECK-LABEL: define void @func_ptr_type(void ()**) #2 { +; CHECK: %2 = call %func_ptr_type @func_ptr_type.body(void ()** undef) +define void @func_ptr_type(void()** %out) #0 { + %func = load void()*, void()** undef + store void()* %func, void()** %out + ret void +} + +; CHECK-LABEL: define private %out_arg_small_array @out_arg_small_array.body([4 x i32]* %val) #0 { +; CHECK-NEXT: ret %out_arg_small_array { [4 x i32] [i32 0, i32 1, i32 2, i32 3] } + +; CHECK-LABEL: define void @out_arg_small_array([4 x i32]*) #2 { +define void @out_arg_small_array([4 x i32]* %val) #0 { + store [4 x i32] [i32 0, i32 1, i32 2, i32 3], [4 x i32]* %val + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define void @out_arg_large_array([17 x i32]* %val) #0 { +; CHECK-NEXT: store [17 x i32] zeroinitializer, [17 x i32]* %val +; CHECK-NEXT: ret void +define void @out_arg_large_array([17 x i32]* %val) #0 { + store [17 x i32] zeroinitializer, [17 x i32]* %val + ret void +} + +; CHECK-NOT: define +; CHECK-LABEL: define <16 x i32> @num_regs_return_limit(i32* %out, i32 %val) #0 { +define <16 x i32> @num_regs_return_limit(i32* %out, i32 %val) #0 { + %load = load volatile <16 x i32>, <16 x i32> addrspace(1)* undef + store i32 %val, i32* %out + ret <16 x i32> %load +} + +; CHECK-LABEL: define private %num_regs_reach_limit @num_regs_reach_limit.body(i32* %out, i32 %val) #0 { +; CHECK: define [15 x i32] @num_regs_reach_limit(i32*, i32) #2 { +; CHECK-NEXT: call %num_regs_reach_limit @num_regs_reach_limit.body(i32* undef, i32 %1) +define [15 x i32] @num_regs_reach_limit(i32* %out, i32 %val) #0 { + %load = load volatile [15 x i32], [15 x i32] addrspace(1)* undef + store i32 %val, i32* %out + ret [15 x i32] %load +} + +; CHECK-LABEL: define private %num_regs_reach_limit_leftover @num_regs_reach_limit_leftover.body(i32* %out0, i32* %out1, i32 %val0) #0 { +; CHECK-NEXT: %load0 = load volatile [15 x i32], [15 x i32] addrspace(1)* undef +; CHECK-NEXT: %load1 = load volatile i32, i32 addrspace(1)* undef +; CHECK-NEXT: %1 = insertvalue %num_regs_reach_limit_leftover undef, [15 x i32] %load0, 0 +; CHECK-NEXT: %2 = insertvalue %num_regs_reach_limit_leftover %1, i32 %load1, 1 +; CHECK-NEXT: %3 = insertvalue %num_regs_reach_limit_leftover %2, i32 %val0, 2 +; CHECK-NEXT: ret %num_regs_reach_limit_leftover %3 + +; CHECK-LABEL: define [15 x i32] @num_regs_reach_limit_leftover(i32*, i32*, i32) #2 { +; CHECK-NEXT: %4 = call %num_regs_reach_limit_leftover @num_regs_reach_limit_leftover.body(i32* undef, i32* undef, i32 %2) +; CHECK-NEXT: %5 = extractvalue %num_regs_reach_limit_leftover %4, 1 +; CHECK-NEXT: store i32 %5, i32* %0, align 4 +; CHECK-NEXT: %6 = extractvalue %num_regs_reach_limit_leftover %4, 2 +; CHECK-NEXT: store i32 %6, i32* %1, align 4 +; CHECK-NEXT: %7 = extractvalue %num_regs_reach_limit_leftover %4, 0 +; CHECK-NEXT: ret [15 x i32] %7 +define [15 x i32] @num_regs_reach_limit_leftover(i32* %out0, i32* %out1, i32 %val0) #0 { + %load0 = load volatile [15 x i32], [15 x i32] addrspace(1)* undef + %load1 = load volatile i32, i32 addrspace(1)* undef + store i32 %val0, i32* %out0 + store i32 %load1, i32* %out1 + ret [15 x i32] %load0 +} + +; CHECK-LABEL: define private %preserve_debug_info @preserve_debug_info.body(i32 %arg0, i32* %val) #0 { +; CHECK-NEXT: call void @may.clobber(), !dbg !5 +; CHECK-NEXT: %1 = insertvalue %preserve_debug_info undef, i32 %arg0, 0, !dbg !11 +; CHECK-NEXT: ret %preserve_debug_info %1, !dbg !11 + +; CHECK-LABEL: define void @preserve_debug_info(i32, i32*) #2 !dbg !6 { +; CHECK-NEXT: %3 = call %preserve_debug_info @preserve_debug_info.body(i32 %0, i32* undef){{$}} +; CHECK-NEXT: %4 = extractvalue %preserve_debug_info %3, 0{{$}} +; CHECK-NEXT: store i32 %4, i32* %1, align 4{{$}} +; CHECK-NEXT: ret void +define void @preserve_debug_info(i32 %arg0, i32* %val) #0 !dbg !5 { + call void @may.clobber(), !dbg !10 + store i32 %arg0, i32* %val, !dbg !11 + ret void, !dbg !12 +} + +define void @preserve_metadata(i32 %arg0, i32* %val) #0 !kernel_arg_access_qual !13 { + call void @may.clobber() + store i32 %arg0, i32* %val + ret void +} + +attributes #0 = { nounwind } +attributes #1 = { nounwind noinline optnone } +attributes #2 = { alwaysinline nounwind } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3, !4} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) +!1 = !DIFile(filename: "code-object-metadata-kernel-debug-props.cl", directory: "/some/random/directory") +!2 = !{} +!3 = !{i32 2, !"Dwarf Version", i32 2} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) +!6 = !DISubroutineType(types: !7) +!7 = !{null, !8} +!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64) +!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!10 = !DILocation(line: 2, column: 3, scope: !5) +!11 = !DILocation(line: 2, column: 8, scope: !5) +!12 = !DILocation(line: 3, column: 3, scope: !5) +!13 = !{!"none"} |
