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; 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 }
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