1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s 2; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s 3; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s 4 5; RUN: llc -march=amdgcn -enable-unsafe-fp-math -verify-machineinstrs < %s | FileCheck -check-prefix=GCN-UNSAFE -check-prefix=SI-UNSAFE -check-prefix=FUNC %s 6; RUN: llc -march=amdgcn -mcpu=tonga -enable-unsafe-fp-math -verify-machineinstrs < %s | FileCheck -check-prefix=GCN-UNSAFE -check-prefix=VI-UNSAFE -check-prefix=FUNC %s 7 8declare double @llvm.fabs.f64(double) #0 9declare double @llvm.floor.f64(double) #0 10 11; FUNC-LABEL: {{^}}fract_f64: 12; SI-DAG: v_fract_f64_e32 [[FRC:v\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]] 13; SI-DAG: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1 14; SI-DAG: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff 15; SI-DAG: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]] 16; SI-DAG: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3 17; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]] 18; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]] 19; SI: v_add_f64 [[SUB0:v\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]{{\]}}, -v{{\[}}[[RESLO]]:[[RESHI]]{{\]}} 20; SI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]{{\]}}, -[[SUB0]] 21 22; CI: buffer_load_dwordx2 [[X:v\[[0-9]+:[0-9]+\]]] 23; CI: v_floor_f64_e32 [[FLOORX:v\[[0-9]+:[0-9]+\]]], [[X]] 24; CI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], [[X]], -[[FLOORX]] 25 26; GCN-UNSAFE: buffer_load_dwordx2 [[X:v\[[0-9]+:[0-9]+\]]] 27; GCN-UNSAFE: v_fract_f64_e32 [[FRACT:v\[[0-9]+:[0-9]+\]]], [[X]] 28 29; GCN: buffer_store_dwordx2 [[FRACT]] 30define void @fract_f64(double addrspace(1)* %out, double addrspace(1)* %src) #1 { 31 %x = load double, double addrspace(1)* %src 32 %floor.x = call double @llvm.floor.f64(double %x) 33 %fract = fsub double %x, %floor.x 34 store double %fract, double addrspace(1)* %out 35 ret void 36} 37 38; FUNC-LABEL: {{^}}fract_f64_neg: 39; SI-DAG: v_fract_f64_e64 [[FRC:v\[[0-9]+:[0-9]+\]]], -v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]] 40; SI-DAG: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1 41; SI-DAG: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff 42; SI-DAG: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]] 43; SI-DAG: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3 44; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]] 45; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]] 46; SI: v_add_f64 [[SUB0:v\[[0-9]+:[0-9]+\]]], -v{{\[}}[[LO]]:[[HI]]{{\]}}, -v{{\[}}[[RESLO]]:[[RESHI]]{{\]}} 47; SI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], -v{{\[}}[[LO]]:[[HI]]{{\]}}, -[[SUB0]] 48 49; CI: buffer_load_dwordx2 [[X:v\[[0-9]+:[0-9]+\]]] 50; CI: v_floor_f64_e64 [[FLOORX:v\[[0-9]+:[0-9]+\]]], -[[X]] 51; CI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], -[[X]], -[[FLOORX]] 52 53; GCN-UNSAFE: buffer_load_dwordx2 [[X:v\[[0-9]+:[0-9]+\]]] 54; GCN-UNSAFE: v_fract_f64_e64 [[FRACT:v\[[0-9]+:[0-9]+\]]], -[[X]] 55 56; GCN: buffer_store_dwordx2 [[FRACT]] 57define void @fract_f64_neg(double addrspace(1)* %out, double addrspace(1)* %src) #1 { 58 %x = load double, double addrspace(1)* %src 59 %neg.x = fsub double -0.0, %x 60 %floor.neg.x = call double @llvm.floor.f64(double %neg.x) 61 %fract = fsub double %neg.x, %floor.neg.x 62 store double %fract, double addrspace(1)* %out 63 ret void 64} 65 66; FUNC-LABEL: {{^}}fract_f64_neg_abs: 67; SI-DAG: v_fract_f64_e64 [[FRC:v\[[0-9]+:[0-9]+\]]], -|v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]]| 68; SI-DAG: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1 69; SI-DAG: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff 70; SI-DAG: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]] 71; SI-DAG: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3 72; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]] 73; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]] 74; SI: v_add_f64 [[SUB0:v\[[0-9]+:[0-9]+\]]], -|v{{\[}}[[LO]]:[[HI]]{{\]}}|, -v{{\[}}[[RESLO]]:[[RESHI]]{{\]}} 75; SI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], -|v{{\[}}[[LO]]:[[HI]]{{\]}}|, -[[SUB0]] 76 77; CI: buffer_load_dwordx2 [[X:v\[[0-9]+:[0-9]+\]]] 78; CI: v_floor_f64_e64 [[FLOORX:v\[[0-9]+:[0-9]+\]]], -|[[X]]| 79; CI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], -|[[X]]|, -[[FLOORX]] 80 81; GCN-UNSAFE: buffer_load_dwordx2 [[X:v\[[0-9]+:[0-9]+\]]] 82; GCN-UNSAFE: v_fract_f64_e64 [[FRACT:v\[[0-9]+:[0-9]+\]]], -|[[X]]| 83 84; GCN: buffer_store_dwordx2 [[FRACT]] 85define void @fract_f64_neg_abs(double addrspace(1)* %out, double addrspace(1)* %src) #1 { 86 %x = load double, double addrspace(1)* %src 87 %abs.x = call double @llvm.fabs.f64(double %x) 88 %neg.abs.x = fsub double -0.0, %abs.x 89 %floor.neg.abs.x = call double @llvm.floor.f64(double %neg.abs.x) 90 %fract = fsub double %neg.abs.x, %floor.neg.abs.x 91 store double %fract, double addrspace(1)* %out 92 ret void 93} 94 95; FUNC-LABEL: {{^}}multi_use_floor_fract_f64: 96; VI-UNSAFE: buffer_load_dwordx2 [[X:v\[[0-9]+:[0-9]+\]]] 97; VI-UNSAFE-DAG: v_floor_f64_e32 [[FLOOR:v\[[0-9]+:[0-9]+\]]], [[X]] 98; VI-UNSAFE-DAG: v_fract_f64_e32 [[FRACT:v\[[0-9]+:[0-9]+\]]], [[X]] 99; VI-UNSAFE: buffer_store_dwordx2 [[FLOOR]] 100; VI-UNSAFE: buffer_store_dwordx2 [[FRACT]] 101define void @multi_use_floor_fract_f64(double addrspace(1)* %out, double addrspace(1)* %src) #1 { 102 %x = load double, double addrspace(1)* %src 103 %floor.x = call double @llvm.floor.f64(double %x) 104 %fract = fsub double %x, %floor.x 105 store volatile double %floor.x, double addrspace(1)* %out 106 store volatile double %fract, double addrspace(1)* %out 107 ret void 108} 109 110attributes #0 = { nounwind readnone } 111attributes #1 = { nounwind } 112