1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; Disabling NEON used to incorrectly emit FABD instructions which resulted in 3; an assertion in verifyInstructionPredicates() while emitting the output. 4; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,+neon < %s | FileCheck %s --check-prefix NEON-ENABLED 5; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,-neon < %s | FileCheck %s --check-prefix NEON-DISABLED 6; Note: We need to use -filetype=obj to trigger verifyInstructionPredicates() 7; checks since it is not called when emitting assembly output. 8; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,-neon -o /dev/null %s -filetype=obj 9 10declare half @llvm.fabs.f16(half) 11declare float @llvm.fabs.f32(float) 12declare double @llvm.fabs.f64(double) 13 14define half @fabd16(half %f1, half %f2) { 15; NEON-ENABLED-LABEL: fabd16: 16; NEON-ENABLED: // %bb.0: 17; NEON-ENABLED-NEXT: fabd h0, h0, h1 18; NEON-ENABLED-NEXT: ret 19; 20; NEON-DISABLED-LABEL: fabd16: 21; NEON-DISABLED: // %bb.0: 22; NEON-DISABLED-NEXT: fsub h0, h0, h1 23; NEON-DISABLED-NEXT: fabs h0, h0 24; NEON-DISABLED-NEXT: ret 25 %sub = fsub half %f1, %f2 26 %abs = tail call half @llvm.fabs.f16(half %sub) 27 ret half %abs 28} 29 30define float @fabd32(float %f1, float %f2) { 31; NEON-ENABLED-LABEL: fabd32: 32; NEON-ENABLED: // %bb.0: 33; NEON-ENABLED-NEXT: fabd s0, s0, s1 34; NEON-ENABLED-NEXT: ret 35; 36; NEON-DISABLED-LABEL: fabd32: 37; NEON-DISABLED: // %bb.0: 38; NEON-DISABLED-NEXT: fsub s0, s0, s1 39; NEON-DISABLED-NEXT: fabs s0, s0 40; NEON-DISABLED-NEXT: ret 41 %sub = fsub float %f1, %f2 42 %abs = tail call float @llvm.fabs.f32(float %sub) 43 ret float %abs 44} 45 46define double @fabd64(double %f1, double %f2) { 47; NEON-ENABLED-LABEL: fabd64: 48; NEON-ENABLED: // %bb.0: 49; NEON-ENABLED-NEXT: fabd d0, d0, d1 50; NEON-ENABLED-NEXT: ret 51; 52; NEON-DISABLED-LABEL: fabd64: 53; NEON-DISABLED: // %bb.0: 54; NEON-DISABLED-NEXT: fsub d0, d0, d1 55; NEON-DISABLED-NEXT: fabs d0, d0 56; NEON-DISABLED-NEXT: ret 57 %sub = fsub double %f1, %f2 58 %abs = tail call double @llvm.fabs.f64(double %sub) 59 ret double %abs 60} 61