derek.holloway
7502bf64a4
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48 lines
1.5 KiB
LLVM
48 lines
1.5 KiB
LLVM
; RUN: opt -S --passes="print-dx-shader-flags" 2>&1 %s | FileCheck %s
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; RUN: llc %s --filetype=obj -o - | obj2yaml | FileCheck %s --check-prefix=DXC
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; Check that when the dx.nativelowprec module flag is set to 0, the module-level
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; shader flag UseNativeLowPrecision is not set, and the MinimumPrecision feature
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; flag is set due to the presence of half and i16 without native low precision.
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target triple = "dxil-pc-shadermodel6.7-library"
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;CHECK: ; Combined Shader Flags for Module
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;CHECK-NEXT: ; Shader Flags Value: 0x00000020
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;CHECK-NEXT: ;
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;CHECK-NEXT: ; Note: shader requires additional functionality:
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;CHECK-NEXT: ; Minimum-precision data types
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;CHECK-NEXT: ; Note: extra DXIL module flags:
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;CHECK-NEXT: ; Low-precision data types present
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;CHECK-NOT: ; Enable native low-precision data types
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;CHECK-NEXT: ;
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;CHECK-NEXT: ; Shader Flags for Module Functions
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;CHECK-LABEL: ; Function add_i16 : 0x00000020
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define i16 @add_i16(i16 %a, i16 %b) "hlsl.export" {
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%sum = add i16 %a, %b
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ret i16 %sum
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}
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;CHECK-LABEL: ; Function add_i32 : 0x00000000
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define i32 @add_i32(i32 %a, i32 %b) "hlsl.export" {
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%sum = add i32 %a, %b
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ret i32 %sum
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}
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;CHECK-LABEL: ; Function add_half : 0x00000020
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define half @add_half(half %a, half %b) "hlsl.export" {
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%sum = fadd half %a, %b
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ret half %sum
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"dx.nativelowprec", i32 0}
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; DXC: - Name: SFI0
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; DXC-NEXT: Size: 8
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; DXC-NEXT: Flags:
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; DXC: MinimumPrecision: true
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; DXC: NativeLowPrecision: false
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; DXC: ...
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