507373306e
This introduces the `dx.Padding` type as an alternative to the `dx.Layout` types that are currently used for cbuffers. Later, we'll remove the `dx.Layout` types completely, but making the backend handle either makes it easier to stage the necessary changes to get there. See #147352 for details.
64 lines
2.2 KiB
LLVM
64 lines
2.2 KiB
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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declare void @f32_user(float)
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declare void @f64_user(double)
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declare void @f16_user(half)
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; CHECK-LABEL: define void @loadf32
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define void @loadf32() {
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%buffer = call target("dx.CBuffer", <{ float }>)
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@llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 1, i32 0, ptr null)
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; CHECK: [[DATA:%.*]] = call %dx.types.CBufRet.f32 @dx.op.cbufferLoadLegacy.f32(i32 59, %dx.types.Handle %{{.*}}, i32 0)
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%load = call {float, float, float, float} @llvm.dx.resource.load.cbufferrow.4(
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target("dx.CBuffer", <{ float }>) %buffer,
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i32 0)
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%data = extractvalue {float, float, float, float} %load, 0
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; CHECK: [[VAL:%.*]] = extractvalue %dx.types.CBufRet.f32 [[DATA]], 0
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; CHECK: call void @f32_user(float [[VAL]])
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call void @f32_user(float %data)
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ret void
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}
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; CHECK-LABEL: define void @loadf64
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define void @loadf64() {
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%buffer = call
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target("dx.CBuffer", <{ <4 x double> }>)
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@llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 1, i32 0, ptr null)
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; CHECK: [[DATA:%.*]] = call %dx.types.CBufRet.f64 @dx.op.cbufferLoadLegacy.f64(i32 59, %dx.types.Handle %{{.*}}, i32 1)
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%load = call {double, double} @llvm.dx.resource.load.cbufferrow.2(
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target("dx.CBuffer", <{ <4 x double> }>) %buffer,
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i32 1)
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%data = extractvalue {double, double} %load, 1
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; CHECK: [[VAL:%.*]] = extractvalue %dx.types.CBufRet.f64 [[DATA]], 1
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; CHECK: call void @f64_user(double [[VAL]])
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call void @f64_user(double %data)
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ret void
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}
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; CHECK-LABEL: define void @loadf16
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define void @loadf16() {
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%buffer = call
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target("dx.CBuffer", <{ half }>)
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@llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 1, i32 0, ptr null)
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; CHECK: [[DATA:%.*]] = call %dx.types.CBufRet.f16.8 @dx.op.cbufferLoadLegacy.f16(i32 59, %dx.types.Handle %{{.*}}, i32 0)
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%load = call {half, half, half, half, half, half, half, half} @llvm.dx.resource.load.cbufferrow.8(
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target("dx.CBuffer", <{ half }>) %buffer,
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i32 0)
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%data = extractvalue {half, half, half, half, half, half, half, half} %load, 0
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; CHECK: [[VAL:%.*]] = extractvalue %dx.types.CBufRet.f16.8 [[DATA]], 0
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; CHECK: call void @f16_user(half [[VAL]])
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call void @f16_user(half %data)
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ret void
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}
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