| ; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=hawaii -loop-unroll -unroll-threshold=100 -unroll-peel-count=0 -unroll-allow-partial=false -unroll-max-iteration-count-to-analyze=16 < %s | FileCheck %s |
| |
| ; CHECK-LABEL: @test_intrinsic_call_cost( |
| ; CHECK-NOT: br i1 |
| define amdgpu_kernel void @test_intrinsic_call_cost(float addrspace(1)* noalias nocapture %out, float addrspace(1)* noalias nocapture %in) #0 { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] |
| %sum.02 = phi float [ %fmul, %for.body ], [ 0.0, %entry ] |
| %arrayidx.in = getelementptr inbounds float, float addrspace(1)* %in, i32 %indvars.iv |
| %arrayidx.out = getelementptr inbounds float, float addrspace(1)* %out, i32 %indvars.iv |
| %load = load float, float addrspace(1)* %arrayidx.in |
| %call = call float @llvm.minnum.f32(float %load, float 1.0); |
| %fmul = fmul float %call, %sum.02 |
| store float %fmul, float addrspace(1)* %arrayidx.out |
| %indvars.iv.next = add i32 %indvars.iv, 1 |
| %exitcond = icmp eq i32 %indvars.iv.next, 16 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| ret void |
| } |
| |
| ; CHECK-LABEL: @test_func_call_cost( |
| ; CHECK: br i1 %exitcond |
| define amdgpu_kernel void @test_func_call_cost(float addrspace(1)* noalias nocapture %out, float addrspace(1)* noalias nocapture %in) #0 { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] |
| %sum.02 = phi float [ %fmul, %for.body ], [ 0.0, %entry ] |
| %arrayidx.in = getelementptr inbounds float, float addrspace(1)* %in, i32 %indvars.iv |
| %arrayidx.out = getelementptr inbounds float, float addrspace(1)* %out, i32 %indvars.iv |
| %load = load float, float addrspace(1)* %arrayidx.in |
| %fptr = load float(float, float)*, float(float, float )* addrspace(4)* null |
| %call = tail call float %fptr(float %load, float 1.0) |
| %fmul = fmul float %call, %sum.02 |
| store float %fmul, float addrspace(1)* %arrayidx.out |
| %indvars.iv.next = add i32 %indvars.iv, 1 |
| %exitcond = icmp eq i32 %indvars.iv.next, 16 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| ret void |
| } |
| |
| ; CHECK-LABEL: @test_indirect_call_cost( |
| ; CHECK: br i1 %exitcond |
| define amdgpu_kernel void @test_indirect_call_cost(float addrspace(1)* noalias nocapture %out, float addrspace(1)* noalias nocapture %in) #0 { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] |
| %sum.02 = phi float [ %fmul, %for.body ], [ 0.0, %entry ] |
| %arrayidx.in = getelementptr inbounds float, float addrspace(1)* %in, i32 %indvars.iv |
| %arrayidx.out = getelementptr inbounds float, float addrspace(1)* %out, i32 %indvars.iv |
| %load = load float, float addrspace(1)* %arrayidx.in |
| %min = call float @func(float %load, float 1.0); |
| %fmul = fmul float %min, %sum.02 |
| store float %fmul, float addrspace(1)* %arrayidx.out |
| %indvars.iv.next = add i32 %indvars.iv, 1 |
| %exitcond = icmp eq i32 %indvars.iv.next, 16 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: |
| ret void |
| } |
| |
| declare float @llvm.minnum.f32(float, float) #1 |
| declare float @func(float, float) #1 |
| |
| attributes #0 = { nounwind } |
| attributes #1 = { nounwind readnone speculatable } |