1; RUN: opt -mtriple=amdgcn--amdhsa -S -passes=inline -inline-threshold=0 -debug-only=inline-cost %s 2>&1 | FileCheck %s 2 3; REQUIRES: asserts 4 5target datalayout = "A5" 6 7; Verify we are properly adding cost of the -amdgpu-inline-arg-alloca-cost to the threshold. 8 9define void @local_access_only(ptr addrspace(5) %p, i32 %idx) { 10 %arrayidx = getelementptr inbounds [64 x float], ptr addrspace(5) %p, i32 0, i32 %idx 11 %value = load float, ptr addrspace(5) %arrayidx 12 store float %value , ptr addrspace(5) %arrayidx, align 4 13 ret void 14} 15 16; Below the cutoff, the alloca cost is 0, and only the cost of the instructions saved by sroa is counted 17; CHECK: Analyzing call of local_access_only... (caller:test_inliner_sroa_single_below_cutoff) 18; CHECK: NumAllocaArgs: 1 19; CHECK: SROACostSavings: 10 20; CHECK: SROACostSavingsLost: 0 21; CHECK: Threshold: 66000 22define amdgpu_kernel void @test_inliner_sroa_single_below_cutoff(ptr addrspace(1) %a, i32 %n) { 23entry: 24 %pvt_arr = alloca [64 x float], align 4, addrspace(5) 25 call void @local_access_only(ptr addrspace(5) %pvt_arr, i32 4) 26 ret void 27} 28 29; Above the cutoff, attribute a cost to the alloca 30; CHECK: Analyzing call of local_access_only... (caller:test_inliner_sroa_single_above_cutoff) 31; CHECK: NumAllocaArgs: 1 32; CHECK: SROACostSavings: 66010 33; CHECK: SROACostSavingsLost: 0 34; CHECK: Threshold: 66000 35define amdgpu_kernel void @test_inliner_sroa_single_above_cutoff(ptr addrspace(1) %a, i32 %n) { 36entry: 37 %pvt_arr = alloca [65 x float], align 4, addrspace(5) 38 call void @local_access_only(ptr addrspace(5) %pvt_arr, i32 4) 39 ret void 40} 41 42define void @use_first_externally(ptr addrspace(5) %p1, ptr addrspace(5) %p2) { 43 call void @external(ptr addrspace(5) %p1) 44 %arrayidx = getelementptr inbounds [64 x float], ptr addrspace(5) %p2, i32 0, i32 7 45 %value = load float, ptr addrspace(5) %arrayidx 46 store float %value , ptr addrspace(5) %arrayidx, align 4 47 ret void 48} 49 50define void @use_both_externally(ptr addrspace(5) %p1, ptr addrspace(5) %p2) { 51 call void @external(ptr addrspace(5) %p1) 52 call void @external(ptr addrspace(5) %p2) 53 ret void 54} 55 56; One array cannot get handled by SROA 57; CHECK: Analyzing call of use_first_externally... (caller:test_inliner_sroa_double) 58; CHECK: NumAllocaArgs: 2 59; CHECK: SROACostSavings: 32502 60; CHECK: SROACostSavingsLost: 33507 61; CHECK: Threshold: 66000 62define amdgpu_kernel void @test_inliner_sroa_double() { 63entry: 64 %pvt_arr1 = alloca [33 x float], align 4, addrspace(5) 65 %pvt_arr2 = alloca [32 x float], align 4, addrspace(5) 66 call void @use_first_externally(ptr addrspace(5) %pvt_arr1, ptr addrspace(5) %pvt_arr2) 67 ret void 68} 69 70; The two arrays cannot get handled by SROA 71; CHECK: Analyzing call of use_both_externally... (caller:test_inliner_no_sroa) 72; CHECK: NumAllocaArgs: 2 73; CHECK: SROACostSavings: 0 74; CHECK: SROACostSavingsLost: 65999 75; CHECK: Threshold: 66000 76define amdgpu_kernel void @test_inliner_no_sroa() { 77entry: 78 %pvt_arr1 = alloca [33 x float], align 4, addrspace(5) 79 %pvt_arr2 = alloca [32 x float], align 4, addrspace(5) 80 call void @use_both_externally(ptr addrspace(5) %pvt_arr1, ptr addrspace(5) %pvt_arr2) 81 ret void 82} 83 84; No private arrays 85; CHECK: Analyzing call of use_both_externally... (caller:test_inliner_no_alloc) 86; CHECK: NumAllocaArgs: 0 87; CHECK: SROACostSavings: 0 88; CHECK: SROACostSavingsLost: 0 89; CHECK: Threshold: 0 90define amdgpu_kernel void @test_inliner_no_alloc(ptr addrspace(5) %a, ptr addrspace(5) %b) { 91entry: 92 call void @use_both_externally(ptr addrspace(5) %a, ptr addrspace(5) %b) 93 ret void 94} 95 96declare void @external(ptr addrspace(5) %p) 97