llvm/test/CodeGen/DirectX/ShaderFlags/use-native-low-precision-1.ll

; RUN: opt -S --passes="print-dx-shader-flags" 2>&1 %s | FileCheck %s

target triple = "dxil-pc-shadermodel6.7-library"

;CHECK: ; Combined Shader Flags for Module
;CHECK-NEXT: ; Shader Flags Value: 0x00800020
;CHECK-NEXT: ;
;CHECK-NEXT: ; Note: shader requires additional functionality:
;CHECK-NEXT: ; Note: extra DXIL module flags:
;CHECK-NEXT: ;       Low-precision data types
;CHECK-NEXT: ;       Use native low precision
;CHECK-NEXT: ;
;CHECK-NEXT: ; Shader Flags for Module Functions

;CHECK-LABEL: ; Function add_i16 : 0x00800020
define i16 @add_i16(i16 %a, i16 %b) {
  %sum = add i16 %a, %b
  ret i16 %sum
}

; NOTE: The flag for native low precision (0x80000) is set for every function
; in the module regardless of whether or not the function uses low precision
; data types (flag 0x20). This matches the behavior in DXC
;CHECK-LABEL: ; Function add_i32 : 0x00800000
define i32 @add_i32(i32 %a, i32 %b) {
  %sum = add i32 %a, %b
  ret i32 %sum
}

;CHECK-LABEL: ; Function add_half : 0x00800020
define half @add_half(half %a, half %b) {
  %sum = fadd half %a, %b
  ret half %sum
}

!llvm.module.flags = !{!0}
!0 = !{i32 1, !"dx.nativelowprec", i32 1}