diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/load-constant-f64.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/load-constant-f64.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/load-constant-f64.ll b/llvm/test/CodeGen/AMDGPU/load-constant-f64.ll index 56e21bc9bd6..dcd420870c2 100644 --- a/llvm/test/CodeGen/AMDGPU/load-constant-f64.ll +++ b/llvm/test/CodeGen/AMDGPU/load-constant-f64.ll @@ -13,3 +13,36 @@ define amdgpu_kernel void @constant_load_f64(double addrspace(1)* %out, double a } attributes #0 = { nounwind } + +; Tests whether a load-chain of 8 constants of 64bit each gets vectorized into a wider load. +; FUNC-LABEL: {{^}}constant_load_2v4f64: +; GCN: s_load_dwordx16 +define amdgpu_kernel void @constant_load_2v4f64(double addrspace(4)* noalias nocapture readonly %weights, double addrspace(1)* noalias nocapture %out_ptr) { +entry: + %out_ptr.promoted = load double, double addrspace(1)* %out_ptr, align 4 + %tmp = load double, double addrspace(4)* %weights, align 4 + %add = fadd double %tmp, %out_ptr.promoted + %arrayidx.1 = getelementptr inbounds double, double addrspace(4)* %weights, i64 1 + %tmp1 = load double, double addrspace(4)* %arrayidx.1, align 4 + %add.1 = fadd double %tmp1, %add + %arrayidx.2 = getelementptr inbounds double, double addrspace(4)* %weights, i64 2 + %tmp2 = load double, double addrspace(4)* %arrayidx.2, align 4 + %add.2 = fadd double %tmp2, %add.1 + %arrayidx.3 = getelementptr inbounds double, double addrspace(4)* %weights, i64 3 + %tmp3 = load double, double addrspace(4)* %arrayidx.3, align 4 + %add.3 = fadd double %tmp3, %add.2 + %arrayidx.4 = getelementptr inbounds double, double addrspace(4)* %weights, i64 4 + %tmp4 = load double, double addrspace(4)* %arrayidx.4, align 4 + %add.4 = fadd double %tmp4, %add.3 + %arrayidx.5 = getelementptr inbounds double, double addrspace(4)* %weights, i64 5 + %tmp5 = load double, double addrspace(4)* %arrayidx.5, align 4 + %add.5 = fadd double %tmp5, %add.4 + %arrayidx.6 = getelementptr inbounds double, double addrspace(4)* %weights, i64 6 + %tmp6 = load double, double addrspace(4)* %arrayidx.6, align 4 + %add.6 = fadd double %tmp6, %add.5 + %arrayidx.7 = getelementptr inbounds double, double addrspace(4)* %weights, i64 7 + %tmp7 = load double, double addrspace(4)* %arrayidx.7, align 4 + %add.7 = fadd double %tmp7, %add.6 + store double %add.7, double addrspace(1)* %out_ptr, align 4 + ret void +} |
