78d98161b9
Introduces LLVM intrinsic `llvm.dx.resource.getdimensions.x` and its lowering to DXIL op `op.dx.getDimensions`. The intrinsic will be used to implement `GetDimension` for buffers. The lowering is using `undef` value since it is required by the DXIL format which is based on LLVM 3.7. Proposal update: https://github.com/llvm/wg-hlsl/pull/350 Closes #112982
17 lines
863 B
LLVM
17 lines
863 B
LLVM
; RUN: opt -S -dxil-op-lower %s | FileCheck %s
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target triple = "dxil-pc-shadermodel6.6-compute"
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define i32 @test_getdimensions_no_mips() {
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; CHECK: %[[HANDLE:.*]] = call %dx.types.Handle @dx.op.createHandleFromBinding(i32 217,
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; CHECK-NEXT: %[[ANNOT_HANDLE:.*]] = call %dx.types.Handle @dx.op.annotateHandle(i32 216, %dx.types.Handle %[[HANDLE]]
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%handle = call target("dx.TypedBuffer", <4 x float>, 0, 0, 0) @llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 1, i32 0, ptr null)
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; CHECK-NEXT: %[[RETVAL:.*]] = call %dx.types.Dimensions @dx.op.getDimensions(i32 72, %dx.types.Handle %[[ANNOT_HANDLE]], i32 undef)
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; CHECK-NEXT: %[[DIM:.*]] = extractvalue %dx.types.Dimensions %[[RETVAL]], 0
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%1 = call i32 @llvm.dx.resource.getdimensions.x(target("dx.TypedBuffer", <4 x float>, 0, 0, 0) %handle)
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; CHECK-NEXT: ret i32 %[[DIM]]
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ret i32 %1
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}
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