From 11b1d064a30d6208499cb2b550bedfecb6af0b2a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sun, 31 Jul 2016 00:50:14 +0200 Subject: [PATCH] radeonsi: add GLSL lit tests MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit They can only be run manually as described in HOW_TO_RUN. It should help catch suboptimal code generation. Some of the tests already fail. v2: rename the tests to *.glsl, fix lit.cfg to find FileCheck Reviewed-by: Nicolai Hähnle (v1) --- src/gallium/drivers/radeonsi/glsl_tests/HOW_TO_RUN | 8 ++++ .../drivers/radeonsi/glsl_tests/bitcount.glsl | 15 ++++++ .../radeonsi/glsl_tests/bitfield_extract.glsl | 34 +++++++++++++ .../radeonsi/glsl_tests/bitfield_insert.glsl | 40 ++++++++++++++++ src/gallium/drivers/radeonsi/glsl_tests/div.glsl | 30 ++++++++++++ src/gallium/drivers/radeonsi/glsl_tests/exp2.glsl | 14 ++++++ src/gallium/drivers/radeonsi/glsl_tests/fma.glsl | 16 +++++++ src/gallium/drivers/radeonsi/glsl_tests/fract.glsl | 21 ++++++++ src/gallium/drivers/radeonsi/glsl_tests/frexp.glsl | 15 ++++++ src/gallium/drivers/radeonsi/glsl_tests/ldexp.glsl | 16 +++++++ src/gallium/drivers/radeonsi/glsl_tests/lit.cfg | 27 +++++++++++ src/gallium/drivers/radeonsi/glsl_tests/log2.glsl | 14 ++++++ .../drivers/radeonsi/glsl_tests/minmax.f32.glsl | 30 ++++++++++++ .../drivers/radeonsi/glsl_tests/minmax.f64.glsl | 36 ++++++++++++++ .../drivers/radeonsi/glsl_tests/minmax.i32.glsl | 32 +++++++++++++ .../drivers/radeonsi/glsl_tests/minmax.u32.glsl | 32 +++++++++++++ .../radeonsi/glsl_tests/pack_unpack_half.glsl | 37 ++++++++++++++ src/gallium/drivers/radeonsi/glsl_tests/pow.glsl | 17 +++++++ src/gallium/drivers/radeonsi/glsl_tests/sqrt.glsl | 56 ++++++++++++++++++++++ 19 files changed, 490 insertions(+) create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/HOW_TO_RUN create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/bitcount.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/bitfield_extract.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/bitfield_insert.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/div.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/exp2.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/fma.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/fract.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/frexp.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/ldexp.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/lit.cfg create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/log2.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/minmax.f32.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/minmax.f64.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/minmax.i32.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/minmax.u32.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/pack_unpack_half.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/pow.glsl create mode 100644 src/gallium/drivers/radeonsi/glsl_tests/sqrt.glsl diff --git a/src/gallium/drivers/radeonsi/glsl_tests/HOW_TO_RUN b/src/gallium/drivers/radeonsi/glsl_tests/HOW_TO_RUN new file mode 100644 index 0000000..20f376f --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/HOW_TO_RUN @@ -0,0 +1,8 @@ +Type "make" to build amdgcn_glslc. + +amdgcn_glslc works only if radeonsi_dri.so is loaded by libGL. +It's just a GL application that sets R600_DEBUG and captures stderr. + +To run the tests, use llvm-lit from your llvm checkout and run: + + llvm-lit -v *.glsl diff --git a/src/gallium/drivers/radeonsi/glsl_tests/bitcount.glsl b/src/gallium/drivers/radeonsi/glsl_tests/bitcount.glsl new file mode 100644 index 0000000..fc9a126 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/bitcount.glsl @@ -0,0 +1,15 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@bitcount: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_bcnt_u32 +; GCN-NEXT: epilog + +#shader fs bitcount +#version 400 +flat in int i; +out ivec4 o; +void main() { + o.x = bitCount(i); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/bitfield_extract.glsl b/src/gallium/drivers/radeonsi/glsl_tests/bitfield_extract.glsl new file mode 100644 index 0000000..08c61af --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/bitfield_extract.glsl @@ -0,0 +1,34 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@bfe_i32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_bfe_i32 +; GCN-NEXT: epilog + +#shader fs bfe_i32 +#version 400 +flat in ivec3 v; +out ivec4 o; +void main() { + o.x = bitfieldExtract(v.x, v.y, v.z); +} + + +; FUNC-LABEL: {{^}}@bfe_u32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_bfe_u32 +; GCN-NEXT: epilog + +#shader fs bfe_u32 +#version 400 +flat in uvec3 v; +out uvec4 o; +void main() { + o.x = bitfieldExtract(v.x, int(v.y), int(v.z)); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/bitfield_insert.glsl b/src/gallium/drivers/radeonsi/glsl_tests/bitfield_insert.glsl new file mode 100644 index 0000000..dc748c3 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/bitfield_insert.glsl @@ -0,0 +1,40 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@bfi_i32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_bfm_b32 +; GCN-NEXT: v_lshlrev_b32 +; GCN-NEXT: v_bfi_b32 +; GCN-NEXT: epilog + +#shader fs bfi_i32 +#version 400 +flat in ivec4 v; +out ivec4 o; +void main() { + o.x = bitfieldInsert(v.x, v.y, v.z, v.w); +} + + +; FUNC-LABEL: {{^}}@bfi_u32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_bfm_b32 +; GCN-NEXT: v_lshlrev_b32 +; GCN-NEXT: v_bfi_b32 +; GCN-NEXT: epilog + +#shader fs bfi_u32 +#version 400 +flat in uvec4 v; +out uvec4 o; +void main() { + o.x = bitfieldInsert(v.x, v.y, int(v.z), int(v.w)); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/div.glsl b/src/gallium/drivers/radeonsi/glsl_tests/div.glsl new file mode 100644 index 0000000..5badc31 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/div.glsl @@ -0,0 +1,30 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@div: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_rcp_f32 +; GCN-NEXT: v_mul_f32 +; GCN-NEXT: epilog + +#shader fs div +#version 400 +flat in vec2 v; +void main() { + gl_FragColor.x = v.x / v.y; +} + + +; FUNC-LABEL: {{^}}@rcp: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_rcp_f32 +; GCN-NEXT: epilog + +#shader fs rcp +#version 400 +flat in float x; +void main() { + gl_FragColor.x = 1 / x; +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/exp2.glsl b/src/gallium/drivers/radeonsi/glsl_tests/exp2.glsl new file mode 100644 index 0000000..ff91705 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/exp2.glsl @@ -0,0 +1,14 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@exp2: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_exp_f32 +; GCN-NEXT: epilog + +#shader fs exp2 +#version 400 +flat in float f; +void main() { + gl_FragColor.x = exp2(f); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/fma.glsl b/src/gallium/drivers/radeonsi/glsl_tests/fma.glsl new file mode 100644 index 0000000..727716f --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/fma.glsl @@ -0,0 +1,16 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@fma: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_mac_f32 +; GCN-NEXT: epilog + +#shader fs fma +#version 400 +flat in vec3 v; +void main() { + gl_FragColor.x = fma(v.x, v.y, v.z); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/fract.glsl b/src/gallium/drivers/radeonsi/glsl_tests/fract.glsl new file mode 100644 index 0000000..4333203 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/fract.glsl @@ -0,0 +1,21 @@ +; RUN: ./amdgcn_glslc -mcpu=tahiti %s | FileCheck -check-prefix=GCN -check-prefix=FUNC -check-prefix=SI %s +; RUN: ./amdgcn_glslc -mcpu=bonaire %s | FileCheck -check-prefix=GCN -check-prefix=FUNC -check-prefix=CI %s +; RUN: ./amdgcn_glslc -mcpu=tonga %s | FileCheck -check-prefix=GCN -check-prefix=FUNC -check-prefix=CI %s + +; Only SI has buggy v_fract and must use v_floor. +; The amdgcn.fract intrinsic can be used only if LLVM passes are able to move it. + +; FUNC-LABEL: {{^}}@fract: +; GCN: main +; GCN: v_interp_mov +; SI-NEXT: v_floor_f32 +; SI-NEXT: v_subrev_f32 +; CI-NEXT: v_fract_f32 +; GCN-NEXT: epilog + +#shader fs fract +#version 400 +flat in float f; +void main() { + gl_FragColor.x = fract(f); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/frexp.glsl b/src/gallium/drivers/radeonsi/glsl_tests/frexp.glsl new file mode 100644 index 0000000..d6295a2 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/frexp.glsl @@ -0,0 +1,15 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@frexp: +; GCN: main +; GCN: v_interp_mov +; GCN-DAG: v_frexp_mant_f32 +; GCN-DAG: v_frexp_exp_i32_f32 +; GCN-NEXT: epilog + +#shader fs frexp +#version 400 +flat in float f; +void main() { + gl_FragColor.x = frexp(f, gl_FragColor.y); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/ldexp.glsl b/src/gallium/drivers/radeonsi/glsl_tests/ldexp.glsl new file mode 100644 index 0000000..920a0a5 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/ldexp.glsl @@ -0,0 +1,16 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@ldexp: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_ldexp_f32 +; GCN-NEXT: epilog + +#shader fs ldexp +#version 400 +flat in float f; +flat in int i; +void main() { + gl_FragColor.x = ldexp(f, i); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/lit.cfg b/src/gallium/drivers/radeonsi/glsl_tests/lit.cfg new file mode 100644 index 0000000..011b193 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/lit.cfg @@ -0,0 +1,27 @@ +# -*- Python -*- + +# Configuration file for the 'lit' test runner. + +import os +import sys +import re +import platform + +import lit.util +import lit.formats + +# name: The name of this test suite. +config.name = 'AMDGCN_GLSL' + +execute_external = True + +# testFormat: The test format to use to interpret tests. +config.test_format = lit.formats.ShTest(execute_external) + +import __main__ +llvm_obj_root = __main__.llvm_obj_root +llvm_tools_dir = os.path.join(llvm_obj_root, 'bin') + +# Tweak the PATH to include the tools dir. +path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH'])) +config.environment['PATH'] = path diff --git a/src/gallium/drivers/radeonsi/glsl_tests/log2.glsl b/src/gallium/drivers/radeonsi/glsl_tests/log2.glsl new file mode 100644 index 0000000..623357a --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/log2.glsl @@ -0,0 +1,14 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@log2: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_log_f32 +; GCN-NEXT: epilog + +#shader fs log2 +#version 400 +flat in float f; +void main() { + gl_FragColor.x = log2(f); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/minmax.f32.glsl b/src/gallium/drivers/radeonsi/glsl_tests/minmax.f32.glsl new file mode 100644 index 0000000..12b7a33 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/minmax.f32.glsl @@ -0,0 +1,30 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@min_f32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_min_f32 +; GCN-NEXT: epilog + +#shader fs min_f32 +#version 400 +flat in vec2 v; +void main() { + gl_FragColor.x = min(v.x, v.y); +} + + +; FUNC-LABEL: {{^}}@max_f32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_max_f32 +; GCN-NEXT: epilog + +#shader fs max_f32 +#version 400 +flat in vec2 v; +void main() { + gl_FragColor.x = max(v.x, v.y); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/minmax.f64.glsl b/src/gallium/drivers/radeonsi/glsl_tests/minmax.f64.glsl new file mode 100644 index 0000000..8952eaa --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/minmax.f64.glsl @@ -0,0 +1,36 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@min_f64: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_min_f64 +; GCN-NEXT: epilog + +#shader fs min_f64 +#version 400 +flat in dvec2 v; +out uvec4 o; +void main() { + o.xy = unpackDouble2x32(min(v.x, v.y)); +} + + +; FUNC-LABEL: {{^}}@max_f64: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_max_f64 +; GCN-NEXT: epilog + +#shader fs max_f64 +#version 400 +flat in dvec2 v; +out uvec4 o; +void main() { + o.xy = unpackDouble2x32(max(v.x, v.y)); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/minmax.i32.glsl b/src/gallium/drivers/radeonsi/glsl_tests/minmax.i32.glsl new file mode 100644 index 0000000..e8468a0 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/minmax.i32.glsl @@ -0,0 +1,32 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@min_i32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_min_i32 +; GCN-NEXT: epilog + +#shader fs min_i32 +#version 400 +flat in ivec2 v; +out ivec4 o; +void main() { + o.x = min(v.x, v.y); +} + + +; FUNC-LABEL: {{^}}@max_i32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_max_i32 +; GCN-NEXT: epilog + +#shader fs max_i32 +#version 400 +flat in ivec2 v; +out ivec4 o; +void main() { + o.x = max(v.x, v.y); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/minmax.u32.glsl b/src/gallium/drivers/radeonsi/glsl_tests/minmax.u32.glsl new file mode 100644 index 0000000..2e104de --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/minmax.u32.glsl @@ -0,0 +1,32 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@min_u32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_min_u32 +; GCN-NEXT: epilog + +#shader fs min_u32 +#version 400 +flat in uvec2 v; +out uvec4 o; +void main() { + o.x = min(v.x, v.y); +} + + +; FUNC-LABEL: {{^}}@max_u32: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_max_u32 +; GCN-NEXT: epilog + +#shader fs max_u32 +#version 400 +flat in uvec2 v; +out uvec4 o; +void main() { + o.x = max(v.x, v.y); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/pack_unpack_half.glsl b/src/gallium/drivers/radeonsi/glsl_tests/pack_unpack_half.glsl new file mode 100644 index 0000000..d744d71 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/pack_unpack_half.glsl @@ -0,0 +1,37 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; We don't want any "v_and" or "v_or" here. v_cvt_f16 only writes the lower 16 bits. + +; FUNC-LABEL: {{^}}@packhalf: +; GCN: main +; GCN: v_interp_mov +; GCN: v_interp_mov +; GCN-NEXT: v_cvt_f16_f32 +; GCN-NEXT: v_lshlrev_b32 +; GCN-NEXT: v_cvt_f16_f32 +; GCN-NEXT: epilog + +#shader fs packhalf +#version 420 +flat in vec2 v; +out uvec4 o; +void main() { + o.x = packHalf2x16(v); +} + + +; FUNC-LABEL: {{^}}@unpackhalf: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_cvt_f32_f16 +; GCN-NEXT: v_lshrrev_b32 +; GCN-NEXT: v_cvt_f32_f16 +; GCN-NEXT: epilog + +#shader fs unpackhalf +#version 420 +flat in uint u; +out vec4 o; +void main() { + o.xy = unpackHalf2x16(u); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/pow.glsl b/src/gallium/drivers/radeonsi/glsl_tests/pow.glsl new file mode 100644 index 0000000..5850083 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/pow.glsl @@ -0,0 +1,17 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@pow: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_log_f32 +; GCN-NEXT: v_interp_mov +; GCN-NEXT: v_mul_legacy_f32 +; GCN-NEXT: v_exp_f32 +; GCN-NEXT: epilog + +#shader fs pow +#version 400 +flat in vec2 v; +void main() { + gl_FragColor.x = pow(v.x, v.y); +} diff --git a/src/gallium/drivers/radeonsi/glsl_tests/sqrt.glsl b/src/gallium/drivers/radeonsi/glsl_tests/sqrt.glsl new file mode 100644 index 0000000..c6ddc54 --- /dev/null +++ b/src/gallium/drivers/radeonsi/glsl_tests/sqrt.glsl @@ -0,0 +1,56 @@ +; RUN: ./amdgcn_glslc %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s + +; FUNC-LABEL: {{^}}@sqrt: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_sqrt_f32 +; GCN-NEXT: epilog + +#shader fs sqrt +#version 400 +flat in float f; +void main() { + gl_FragColor.x = sqrt(f); +} + + +; FUNC-LABEL: {{^}}@inv_sqrt: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_rsq_f32 +; GCN-NEXT: epilog + +#shader fs inv_sqrt +#version 400 +flat in float f; +void main() { + gl_FragColor.x = 1 / sqrt(f); +} + + +; FUNC-LABEL: {{^}}@rsq: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_rsq_f32 +; GCN-NEXT: epilog + +#shader fs rsq +#version 400 +flat in float f; +void main() { + gl_FragColor.x = inversesqrt(f); +} + + +; FUNC-LABEL: {{^}}@inv_rsq: +; GCN: main +; GCN: v_interp_mov +; GCN-NEXT: v_sqrt_f32 +; GCN-NEXT: epilog + +#shader fs inv_rsq +#version 400 +flat in float f; +void main() { + gl_FragColor.x = 1 / inversesqrt(f); +} -- 2.7.4