| ; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds < %s | FileCheck %s |
| ; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds < %s | FileCheck %s |
| |
| ; CHECK: %llvm.amdgcn.module.lds.t = type { float, float } |
| |
| @func = addrspace(3) global float undef, align 4 |
| |
| ; @kern is only used from a kernel so it is left unchanged |
| ; CHECK: @kern = addrspace(3) global float undef, align 4 |
| @kern = addrspace(3) global float undef, align 4 |
| |
| ; @func is only used from a non-kernel function so is rewritten |
| ; CHECK-NOT: @func |
| ; @both is used from a non-kernel function so is rewritten |
| ; CHECK-NOT: @both |
| ; sorted both < func, so @both at null and @func at 4 |
| @both = addrspace(3) global float undef, align 4 |
| |
| ; CHECK: @llvm.amdgcn.module.lds = internal addrspace(3) global %llvm.amdgcn.module.lds.t undef, align 4 |
| |
| ; CHECK-LABEL: @get_func() |
| ; CHECK: %0 = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* getelementptr (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* null, i32 0, i32 1) to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* getelementptr (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* null, i32 0, i32 1) to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4 |
| define i32 @get_func() local_unnamed_addr #0 { |
| entry: |
| %0 = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @func to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @func to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4 |
| ret i32 %0 |
| } |
| |
| ; CHECK-LABEL: @set_func(i32 %x) |
| ; CHECK: store i32 %x, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* null to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* null to i32*) to i64)) to i32*), align 4 |
| define void @set_func(i32 %x) local_unnamed_addr #1 { |
| entry: |
| store i32 %x, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @both to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @both to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4 |
| ret void |
| } |
| |
| ; CHECK-LABEL: @timestwo() |
| ; CHECK: call void @llvm.donothing() [ "ExplicitUse"(%llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds) ] |
| ; CHECK: %ld = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* null to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @kern to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4 |
| ; CHECK: %mul = mul i32 %ld, 2 |
| ; CHECK: store i32 %mul, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @kern to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* null to i32*) to i64)) to i32*), align 4 |
| define amdgpu_kernel void @timestwo() { |
| %ld = load i32, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @both to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @kern to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4 |
| %mul = mul i32 %ld, 2 |
| store i32 %mul, i32* inttoptr (i64 add (i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @kern to i32 addrspace(3)*) to i32*) to i64), i64 ptrtoint (i32* addrspacecast (i32 addrspace(3)* bitcast (float addrspace(3)* @both to i32 addrspace(3)*) to i32*) to i64)) to i32*), align 4 |
| ret void |
| } |