llvm-6502/test/CodeGen/AMDGPU/llvm.AMDGPU.fract.f64.ll
Tom Stellard 953c681473 R600 -> AMDGPU rename
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239657 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-13 03:28:10 +00:00

61 lines
3.4 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s
declare double @llvm.fabs.f64(double %Val)
declare double @llvm.AMDGPU.fract.f64(double) nounwind readnone
; FUNC-LABEL: {{^}}fract_f64:
; GCN: v_fract_f64_e32 [[FRC:v\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]]
; SI: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1
; SI: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
; SI: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
; SI: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[LO]], v[[MINLO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[HI]], v[[MINHI]], [[COND]]
; SI: buffer_store_dwordx2 v{{\[}}[[RESLO]]:[[RESHI]]]
; CI: buffer_store_dwordx2 [[FRC]]
define void @fract_f64(double addrspace(1)* %out, double addrspace(1)* %src) nounwind {
%val = load double, double addrspace(1)* %src, align 4
%fract = call double @llvm.AMDGPU.fract.f64(double %val) nounwind readnone
store double %fract, double addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}fract_f64_neg:
; GCN: v_fract_f64_e64 [[FRC:v\[[0-9]+:[0-9]+\]]], -v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]]
; SI: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1
; SI: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
; SI: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
; SI: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[LO]], v[[MINLO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[HI]], v[[MINHI]], [[COND]]
; SI: buffer_store_dwordx2 v{{\[}}[[RESLO]]:[[RESHI]]]
; CI: buffer_store_dwordx2 [[FRC]]
define void @fract_f64_neg(double addrspace(1)* %out, double addrspace(1)* %src) nounwind {
%val = load double, double addrspace(1)* %src, align 4
%neg = fsub double 0.0, %val
%fract = call double @llvm.AMDGPU.fract.f64(double %neg) nounwind readnone
store double %fract, double addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}fract_f64_neg_abs:
; GCN: v_fract_f64_e64 [[FRC:v\[[0-9]+:[0-9]+\]]], -|v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]]|
; SI: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1
; SI: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
; SI: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
; SI: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[LO]], v[[MINLO]], [[COND]]
; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[HI]], v[[MINHI]], [[COND]]
; SI: buffer_store_dwordx2 v{{\[}}[[RESLO]]:[[RESHI]]]
; CI: buffer_store_dwordx2 [[FRC]]
define void @fract_f64_neg_abs(double addrspace(1)* %out, double addrspace(1)* %src) nounwind {
%val = load double, double addrspace(1)* %src, align 4
%abs = call double @llvm.fabs.f64(double %val)
%neg = fsub double 0.0, %abs
%fract = call double @llvm.AMDGPU.fract.f64(double %neg) nounwind readnone
store double %fract, double addrspace(1)* %out, align 4
ret void
}