diff options
Diffstat (limited to 'llvm/test/CodeGen/SPIRV/pointers/ptrcast-bitcast.ll')
| -rw-r--r-- | llvm/test/CodeGen/SPIRV/pointers/ptrcast-bitcast.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SPIRV/pointers/ptrcast-bitcast.ll b/llvm/test/CodeGen/SPIRV/pointers/ptrcast-bitcast.ll index 8491328..a1ec2cd 100644 --- a/llvm/test/CodeGen/SPIRV/pointers/ptrcast-bitcast.ll +++ b/llvm/test/CodeGen/SPIRV/pointers/ptrcast-bitcast.ll @@ -26,3 +26,25 @@ entry: store <4 x i32> %6, ptr addrspace(11) %7, align 16 ret void } + +; This tests a load from a pointer that has been bitcast between vector types +; which share the same total bit-width but have different numbers of elements. +; Tests that legalize-pointer-casts works correctly by moving the bitcast to +; the element that was loaded. + +define void @main2() local_unnamed_addr #0 { +entry: +; CHECK: %[[LOAD:[0-9]+]] = OpLoad %[[#v2_double]] {{.*}} +; CHECK: %[[BITCAST1:[0-9]+]] = OpBitcast %[[#v4_uint]] %[[LOAD]] +; CHECK: %[[BITCAST2:[0-9]+]] = OpBitcast %[[#v2_double]] %[[BITCAST1]] +; CHECK: OpStore {{%[0-9]+}} %[[BITCAST2]] {{.*}} + + %0 = tail call target("spirv.VulkanBuffer", [0 x <2 x double>], 12, 1) @llvm.spv.resource.handlefrombinding.tspirv.VulkanBuffer_a0v2f64_12_1t(i32 0, i32 2, i32 1, i32 0, ptr nonnull @.str.2) + %2 = tail call noundef align 16 dereferenceable(16) ptr addrspace(11) @llvm.spv.resource.getpointer.p11.tspirv.VulkanBuffer_a0v2f64_12_1t(target("spirv.VulkanBuffer", [0 x <2 x double>], 12, 1) %0, i32 0) + %3 = load <4 x i32>, ptr addrspace(11) %2 + %4 = tail call noundef align 16 dereferenceable(16) ptr addrspace(11) @llvm.spv.resource.getpointer.p11.tspirv.VulkanBuffer_a0v2f64_12_1t(target("spirv.VulkanBuffer", [0 x <2 x double>], 12, 1) %0, i32 1) + store <4 x i32> %3, ptr addrspace(11) %4 + ret void +} + +attributes #0 = { "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" } |