78 lines
3.1 KiB
LLVM
78 lines
3.1 KiB
LLVM
; 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
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; CHECK-LABEL: @test_intrinsic_call_cost(
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; CHECK-NOT: br i1
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define amdgpu_kernel void @test_intrinsic_call_cost(float addrspace(1)* noalias nocapture %out, float addrspace(1)* noalias nocapture %in) #0 {
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entry:
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br label %for.body
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for.body:
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%indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%sum.02 = phi float [ %fmul, %for.body ], [ 0.0, %entry ]
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%arrayidx.in = getelementptr inbounds float, float addrspace(1)* %in, i32 %indvars.iv
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%arrayidx.out = getelementptr inbounds float, float addrspace(1)* %out, i32 %indvars.iv
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%load = load float, float addrspace(1)* %arrayidx.in
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%call = call float @llvm.minnum.f32(float %load, float 1.0);
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%fmul = fmul float %call, %sum.02
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store float %fmul, float addrspace(1)* %arrayidx.out
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%indvars.iv.next = add i32 %indvars.iv, 1
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%exitcond = icmp eq i32 %indvars.iv.next, 16
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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; CHECK-LABEL: @test_func_call_cost(
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; CHECK: br i1 %exitcond
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define amdgpu_kernel void @test_func_call_cost(float addrspace(1)* noalias nocapture %out, float addrspace(1)* noalias nocapture %in) #0 {
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entry:
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br label %for.body
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for.body:
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%indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%sum.02 = phi float [ %fmul, %for.body ], [ 0.0, %entry ]
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%arrayidx.in = getelementptr inbounds float, float addrspace(1)* %in, i32 %indvars.iv
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%arrayidx.out = getelementptr inbounds float, float addrspace(1)* %out, i32 %indvars.iv
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%load = load float, float addrspace(1)* %arrayidx.in
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%fptr = load float(float, float)*, float(float, float )* addrspace(4)* null
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%call = tail call float %fptr(float %load, float 1.0)
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%fmul = fmul float %call, %sum.02
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store float %fmul, float addrspace(1)* %arrayidx.out
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%indvars.iv.next = add i32 %indvars.iv, 1
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%exitcond = icmp eq i32 %indvars.iv.next, 16
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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; CHECK-LABEL: @test_indirect_call_cost(
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; CHECK: br i1 %exitcond
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define amdgpu_kernel void @test_indirect_call_cost(float addrspace(1)* noalias nocapture %out, float addrspace(1)* noalias nocapture %in) #0 {
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entry:
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br label %for.body
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for.body:
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%indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%sum.02 = phi float [ %fmul, %for.body ], [ 0.0, %entry ]
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%arrayidx.in = getelementptr inbounds float, float addrspace(1)* %in, i32 %indvars.iv
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%arrayidx.out = getelementptr inbounds float, float addrspace(1)* %out, i32 %indvars.iv
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%load = load float, float addrspace(1)* %arrayidx.in
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%min = call float @func(float %load, float 1.0);
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%fmul = fmul float %min, %sum.02
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store float %fmul, float addrspace(1)* %arrayidx.out
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%indvars.iv.next = add i32 %indvars.iv, 1
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%exitcond = icmp eq i32 %indvars.iv.next, 16
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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declare float @llvm.minnum.f32(float, float) #1
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declare float @func(float, float) #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone speculatable }
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