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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 32; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds --amdgpu-lower-module-lds-strategy=module < %s | FileCheck %s3; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds --amdgpu-lower-module-lds-strategy=module < %s | FileCheck %s4 5; Check new struct is added to compiler.used and that the replaced variable is removed6 7; CHECK: %llvm.amdgcn.module.lds.t = type { float }8; CHECK: @ignored = addrspace(1) global i64 09 10; @ignored still in list, @tolower removed, llvm.amdgcn.module.lds appended11; Start with one value to replace and one to ignore in the .use list12 13; @ignored still in list, @tolower removed14; CHECK: @llvm.used = appending global [1 x ptr] [ptr addrspacecast (ptr addrspace(1) @ignored to ptr)], section "llvm.metadata"15 16; CHECK: @llvm.amdgcn.module.lds = internal addrspace(3) global %llvm.amdgcn.module.lds.t poison, align 817 18; CHECK-NOT: @tolower19 20@tolower = addrspace(3) global float poison, align 821 22; A variable that is unchanged by pass23@ignored = addrspace(1) global i64 024 25 26@llvm.used = appending global [2 x ptr] [ptr addrspacecast (ptr addrspace(3) @tolower to ptr), ptr addrspacecast (ptr addrspace(1) @ignored to ptr)], section "llvm.metadata"27 28; @ignored still in list, @tolower removed, llvm.amdgcn.module.lds appended29; CHECK: @llvm.compiler.used = appending addrspace(1) global [2 x ptr] [ptr addrspacecast (ptr addrspace(1) @ignored to ptr), ptr addrspacecast (ptr addrspace(3) @llvm.amdgcn.module.lds to ptr)], section "llvm.metadata"30 31@llvm.compiler.used = appending global [2 x ptr] [ptr addrspacecast (ptr addrspace(3) @tolower to ptr), ptr addrspacecast (ptr addrspace(1) @ignored to ptr)], section "llvm.metadata"32 33 34; Functions that are not called are ignored by the lowering35define amdgpu_kernel void @call_func() {36; CHECK-LABEL: define amdgpu_kernel void @call_func(37; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {38; CHECK-NEXT: call void @llvm.donothing() [ "ExplicitUse"(ptr addrspace(3) @llvm.amdgcn.module.lds) ]39; CHECK-NEXT: call void @func()40; CHECK-NEXT: ret void41;42 call void @func()43 ret void44}45 46define void @func() {47; CHECK-LABEL: define void @func() {48; CHECK-NEXT: [[DEC:%.*]] = atomicrmw fsub ptr addrspace(3) @llvm.amdgcn.module.lds, float 1.000000e+00 monotonic, align 849; CHECK-NEXT: [[UNUSED0:%.*]] = atomicrmw add ptr addrspace(1) @ignored, i64 1 monotonic, align 850; CHECK-NEXT: ret void51;52 %dec = atomicrmw fsub ptr addrspace(3) @tolower, float 1.0 monotonic53 %unused0 = atomicrmw add ptr addrspace(1) @ignored, i64 1 monotonic54 ret void55}56