src/gallium/drivers/radeonsi/glsl_tests/fract.glsl

   1 ; RUN: ./amdgcn_glslc -mcpu=tahiti %s | FileCheck -check-prefix=GCN -check-prefix=FUNC -check-prefix=SI %s
   2 ; RUN: ./amdgcn_glslc -mcpu=bonaire %s | FileCheck -check-prefix=GCN -check-prefix=FUNC -check-prefix=CI %s
   3 ; RUN: ./amdgcn_glslc -mcpu=tonga %s | FileCheck -check-prefix=GCN -check-prefix=FUNC -check-prefix=CI %s
   4
   5 ; Only SI has buggy v_fract and must use v_floor.
   6 ; The amdgcn.fract intrinsic can be used only if LLVM passes are able to move it.
   7
   8 ; FUNC-LABEL: {{^}}@fract:
   9 ; GCN: main
  10 ; GCN: v_interp_mov
  11 ; SI-NEXT: v_floor_f32
  12 ; SI-NEXT: v_subrev_f32
  13 ; CI-NEXT: v_fract_f32
  14 ; GCN-NEXT: epilog
  15
  16 #shader fs fract
  17 #version 400
  18 flat in float f;
  19 void main() {
  20     gl_FragColor.x = fract(f);
  21 }