| ; RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,W64 %s |
| ; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,W32 %s |
| ; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,W64 %s |
| |
| ; RUN: opt -O3 -S < %s | FileCheck -check-prefixes=OPT,OPT-WXX %s |
| ; RUN: opt -mtriple=amdgcn-- -O3 -S < %s | FileCheck -check-prefixes=OPT,OPT-WXX %s |
| ; RUN: opt -mtriple=amdgcn-- -O3 -mattr=+wavefrontsize32 -S < %s | FileCheck -check-prefixes=OPT,OPT-W32 %s |
| ; RUN: opt -mtriple=amdgcn-- -passes='default<O3>' -mattr=+wavefrontsize32 -S < %s | FileCheck -check-prefixes=OPT,OPT-W32 %s |
| ; RUN: opt -mtriple=amdgcn-- -O3 -mattr=+wavefrontsize64 -S < %s | FileCheck -check-prefixes=OPT,OPT-W64 %s |
| ; RUN: opt -mtriple=amdgcn-- -mcpu=tonga -O3 -S < %s | FileCheck -check-prefixes=OPT,OPT-W64 %s |
| ; RUN: opt -mtriple=amdgcn-- -mcpu=gfx1010 -O3 -mattr=+wavefrontsize32,-wavefrontsize64 -S < %s | FileCheck -check-prefixes=OPT,OPT-W32 %s |
| ; RUN: opt -mtriple=amdgcn-- -mcpu=gfx1010 -O3 -mattr=-wavefrontsize32,+wavefrontsize64 -S < %s | FileCheck -check-prefixes=OPT,OPT-W64 %s |
| |
| ; GCN-LABEL: {{^}}fold_wavefrontsize: |
| ; OPT-LABEL: define amdgpu_kernel void @fold_wavefrontsize( |
| |
| ; W32: v_mov_b32_e32 [[V:v[0-9]+]], 32 |
| ; W64: v_mov_b32_e32 [[V:v[0-9]+]], 64 |
| ; GCN: store_dword v{{.+}}, [[V]] |
| |
| ; OPT-W32: store i32 32, i32 addrspace(1)* %arg, align 4 |
| ; OPT-W64: store i32 64, i32 addrspace(1)* %arg, align 4 |
| ; OPT-WXX: %tmp = tail call i32 @llvm.amdgcn.wavefrontsize() |
| ; OPT-WXX: store i32 %tmp, i32 addrspace(1)* %arg, align 4 |
| ; OPT-NEXT: ret void |
| |
| define amdgpu_kernel void @fold_wavefrontsize(i32 addrspace(1)* nocapture %arg) { |
| bb: |
| %tmp = tail call i32 @llvm.amdgcn.wavefrontsize() #0 |
| store i32 %tmp, i32 addrspace(1)* %arg, align 4 |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}fold_and_optimize_wavefrontsize: |
| ; OPT-LABEL: define amdgpu_kernel void @fold_and_optimize_wavefrontsize( |
| |
| ; W32: v_mov_b32_e32 [[V:v[0-9]+]], 1{{$}} |
| ; W64: v_mov_b32_e32 [[V:v[0-9]+]], 2{{$}} |
| ; GCN-NOT: cndmask |
| ; GCN: store_dword v{{.+}}, [[V]] |
| |
| ; OPT-W32: store i32 1, i32 addrspace(1)* %arg, align 4 |
| ; OPT-W64: store i32 2, i32 addrspace(1)* %arg, align 4 |
| ; OPT-WXX: %tmp = tail call i32 @llvm.amdgcn.wavefrontsize() |
| ; OPT-WXX: %tmp1 = icmp ugt i32 %tmp, 32 |
| ; OPT-WXX: %tmp2 = select i1 %tmp1, i32 2, i32 1 |
| ; OPT-WXX: store i32 %tmp2, i32 addrspace(1)* %arg |
| ; OPT-NEXT: ret void |
| |
| define amdgpu_kernel void @fold_and_optimize_wavefrontsize(i32 addrspace(1)* nocapture %arg) { |
| bb: |
| %tmp = tail call i32 @llvm.amdgcn.wavefrontsize() #0 |
| %tmp1 = icmp ugt i32 %tmp, 32 |
| %tmp2 = select i1 %tmp1, i32 2, i32 1 |
| store i32 %tmp2, i32 addrspace(1)* %arg |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}fold_and_optimize_if_wavefrontsize: |
| ; OPT-LABEL: define amdgpu_kernel void @fold_and_optimize_if_wavefrontsize( |
| |
| ; OPT: bb: |
| ; OPT-WXX: %tmp = tail call i32 @llvm.amdgcn.wavefrontsize() |
| ; OPT-WXX: %tmp1 = icmp ugt i32 %tmp, 32 |
| ; OPT-WXX: bb3: |
| ; OPT-W64: store i32 1, i32 addrspace(1)* %arg, align 4 |
| ; OPT-NEXT: ret void |
| |
| define amdgpu_kernel void @fold_and_optimize_if_wavefrontsize(i32 addrspace(1)* nocapture %arg) { |
| bb: |
| %tmp = tail call i32 @llvm.amdgcn.wavefrontsize() #0 |
| %tmp1 = icmp ugt i32 %tmp, 32 |
| br i1 %tmp1, label %bb2, label %bb3 |
| |
| bb2: ; preds = %bb |
| store i32 1, i32 addrspace(1)* %arg, align 4 |
| br label %bb3 |
| |
| bb3: ; preds = %bb2, %bb |
| ret void |
| } |
| |
| declare i32 @llvm.amdgcn.wavefrontsize() #0 |
| |
| attributes #0 = { nounwind readnone speculatable } |