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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; Disabling NEON used to incorrectly emit FABD instructions which resulted in3; an assertion in verifyInstructionPredicates() while emitting the output.4; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,+neon < %s | FileCheck %s --check-prefix NEON-ENABLED5; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,-neon < %s | FileCheck %s --check-prefix NEON-DISABLED6; 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=obj9 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, h118; NEON-ENABLED-NEXT: ret19;20; NEON-DISABLED-LABEL: fabd16:21; NEON-DISABLED: // %bb.0:22; NEON-DISABLED-NEXT: fsub h0, h0, h123; NEON-DISABLED-NEXT: fabs h0, h024; NEON-DISABLED-NEXT: ret25 %sub = fsub half %f1, %f226 %abs = tail call half @llvm.fabs.f16(half %sub)27 ret half %abs28}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, s134; NEON-ENABLED-NEXT: ret35;36; NEON-DISABLED-LABEL: fabd32:37; NEON-DISABLED: // %bb.0:38; NEON-DISABLED-NEXT: fsub s0, s0, s139; NEON-DISABLED-NEXT: fabs s0, s040; NEON-DISABLED-NEXT: ret41 %sub = fsub float %f1, %f242 %abs = tail call float @llvm.fabs.f32(float %sub)43 ret float %abs44}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, d150; NEON-ENABLED-NEXT: ret51;52; NEON-DISABLED-LABEL: fabd64:53; NEON-DISABLED: // %bb.0:54; NEON-DISABLED-NEXT: fsub d0, d0, d155; NEON-DISABLED-NEXT: fabs d0, d056; NEON-DISABLED-NEXT: ret57 %sub = fsub double %f1, %f258 %abs = tail call double @llvm.fabs.f64(double %sub)59 ret double %abs60}61