
These classes are redundant, as the untyped "Int" classes can be used for all float operations. This change is intended to be as minimal as possible and leaves the many potential simplifications and refactors this exposes as future work.
99 lines
4.3 KiB
LLVM
99 lines
4.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; ## FP16 abs is not supported by PTX version (PTX < 65).
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; RUN: llc < %s -mcpu=sm_53 -mattr=+ptx60 \
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; RUN: -O0 -disable-post-ra -verify-machineinstrs \
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; RUN: | FileCheck -check-prefix CHECK-NOF16 %s
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; RUN: %if ptxas %{ \
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; RUN: llc < %s -mcpu=sm_53 -mattr=+ptx60 \
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; RUN: -O0 -disable-post-ra -verify-machineinstrs \
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; RUN: | %ptxas-verify -arch=sm_53 \
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; RUN: %}
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; ## FP16 support explicitly disabled (--nvptx-no-f16-math).
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; RUN: llc < %s -mcpu=sm_53 -mattr=+ptx65 --nvptx-no-f16-math \
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; RUN: -O0 -disable-post-ra -verify-machineinstrs \
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; RUN: | FileCheck -check-prefix CHECK-NOF16 %s
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; RUN: %if ptxas %{ \
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; RUN: llc < %s -mcpu=sm_53 -mattr=+ptx65 --nvptx-no-f16-math \
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; RUN: -O0 -disable-post-ra -verify-machineinstrs \
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; RUN: | %ptxas-verify -arch=sm_53 \
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; RUN: %}
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; ## FP16 is not supported by hardware (SM < 53).
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; RUN: llc < %s -mcpu=sm_52 -mattr=+ptx65 \
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; RUN: -O0 -disable-post-ra -verify-machineinstrs \
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; RUN: | FileCheck -check-prefix CHECK-NOF16 %s
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; RUN: %if ptxas %{ \
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; RUN: llc < %s -mcpu=sm_52 -mattr=+ptx65 \
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; RUN: -O0 -disable-post-ra -verify-machineinstrs \
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; RUN: | %ptxas-verify -arch=sm_52 \
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; RUN: %}
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; ## Full FP16 abs support.
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; RUN: llc < %s -mcpu=sm_53 -mattr=+ptx65 \
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; RUN: -O0 -disable-post-ra -verify-machineinstrs \
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; RUN: | FileCheck -check-prefix CHECK-F16-ABS %s
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; RUN: %if ptxas %{ \
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; RUN: llc < %s -mcpu=sm_53 -mattr=+ptx65 \
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; RUN: -O0 -disable-post-ra -verify-machineinstrs \
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; RUN: | %ptxas-verify -arch=sm_53 \
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; RUN: %}
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target triple = "nvptx64-nvidia-cuda"
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declare half @llvm.fabs.f16(half %a)
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declare <2 x half> @llvm.fabs.v2f16(<2 x half> %a)
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define half @test_fabs(half %a) {
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; CHECK-NOF16-LABEL: test_fabs(
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; CHECK-NOF16: {
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; CHECK-NOF16-NEXT: .reg .b16 %rs<3>;
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; CHECK-NOF16-NEXT: .reg .b32 %r<3>;
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; CHECK-NOF16-EMPTY:
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; CHECK-NOF16-NEXT: // %bb.0:
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; CHECK-NOF16-NEXT: ld.param.b16 %rs1, [test_fabs_param_0];
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; CHECK-NOF16-NEXT: cvt.f32.f16 %r1, %rs1;
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; CHECK-NOF16-NEXT: abs.f32 %r2, %r1;
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; CHECK-NOF16-NEXT: cvt.rn.f16.f32 %rs2, %r2;
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; CHECK-NOF16-NEXT: st.param.b16 [func_retval0], %rs2;
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; CHECK-NOF16-NEXT: ret;
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;
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; CHECK-F16-ABS-LABEL: test_fabs(
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; CHECK-F16-ABS: {
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; CHECK-F16-ABS-NEXT: .reg .b16 %rs<3>;
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; CHECK-F16-ABS-EMPTY:
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; CHECK-F16-ABS-NEXT: // %bb.0:
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; CHECK-F16-ABS-NEXT: ld.param.b16 %rs1, [test_fabs_param_0];
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; CHECK-F16-ABS-NEXT: abs.f16 %rs2, %rs1;
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; CHECK-F16-ABS-NEXT: st.param.b16 [func_retval0], %rs2;
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; CHECK-F16-ABS-NEXT: ret;
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%r = call half @llvm.fabs.f16(half %a)
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ret half %r
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}
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define <2 x half> @test_fabs_2(<2 x half> %a) #0 {
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; CHECK-F16-LABEL: test_fabs_2(
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; CHECK-F16: {
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; CHECK-F16-NEXT: .reg .b32 %r<5>;
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; CHECK-F16-EMPTY:
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; CHECK-F16-NEXT: // %bb.0:
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; CHECK-F16-NEXT: ld.param.b32 %r1, [test_fabs_2_param_0];
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; CHECK-F16-NEXT: and.b32 %r3, %r1, 2147450879;
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; CHECK-F16-NEXT: st.param.b32 [func_retval0], %r3;
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; CHECK-F16-NEXT: ret;
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;
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; CHECK-F16-ABS-LABEL: test_fabs_2(
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; CHECK-F16-ABS: {
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; CHECK-F16-ABS-NEXT: .reg .b32 %r<3>;
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; CHECK-F16-ABS-EMPTY:
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; CHECK-F16-ABS-NEXT: // %bb.0:
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; CHECK-F16-ABS-NEXT: ld.param.b32 %r1, [test_fabs_2_param_0];
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; CHECK-F16-ABS-NEXT: abs.f16x2 %r2, %r1;
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; CHECK-F16-ABS-NEXT: st.param.b32 [func_retval0], %r2;
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; CHECK-F16-ABS-NEXT: ret;
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%r = call <2 x half> @llvm.fabs.v2f16(<2 x half> %a)
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ret <2 x half> %r
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}
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