[AArch64] Baseline test for D123491
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llvm/test/CodeGen/AArch64/fabd-no-neon.ll
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57
llvm/test/CodeGen/AArch64/fabd-no-neon.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; Disabling NEON used to incorrectly emit FABD instructions which resulted in
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; an assertion in verifyInstructionPredicates() while emitting the output.
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; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,+neon < %s | FileCheck %s --check-prefix NEON-ENABLED
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; RUN: llc -mtriple=aarch64 -mattr=+fullfp16,-neon < %s | FileCheck %s --check-prefix NEON-DISABLED
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; Note: We need to use -filetype=obj to trigger verifyInstructionPredicates()
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; checks since it is not called when emitting assembly output.
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; FIXME: llc -mtriple=aarch64 -mattr=+fullfp16,-neon -o /dev/null %s -filetype=obj
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declare half @llvm.fabs.f16(half)
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declare float @llvm.fabs.f32(float)
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declare double @llvm.fabs.f64(double)
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define half @fabd16(half %f1, half %f2) {
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; NEON-ENABLED-LABEL: fabd16:
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; NEON-ENABLED: // %bb.0:
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; NEON-ENABLED-NEXT: fabd h0, h0, h1
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; NEON-ENABLED-NEXT: ret
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;
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; NEON-DISABLED-LABEL: fabd16:
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; NEON-DISABLED: // %bb.0:
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; NEON-DISABLED-NEXT: fabd h0, h0, h1
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; NEON-DISABLED-NEXT: ret
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%sub = fsub half %f1, %f2
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%abs = tail call half @llvm.fabs.f16(half %sub)
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ret half %abs
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}
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define float @fabd32(float %f1, float %f2) {
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; NEON-ENABLED-LABEL: fabd32:
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; NEON-ENABLED: // %bb.0:
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; NEON-ENABLED-NEXT: fabd s0, s0, s1
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; NEON-ENABLED-NEXT: ret
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;
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; NEON-DISABLED-LABEL: fabd32:
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; NEON-DISABLED: // %bb.0:
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; NEON-DISABLED-NEXT: fabd s0, s0, s1
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; NEON-DISABLED-NEXT: ret
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%sub = fsub float %f1, %f2
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%abs = tail call float @llvm.fabs.f32(float %sub)
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ret float %abs
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}
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define double @fabd64(double %f1, double %f2) {
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; NEON-ENABLED-LABEL: fabd64:
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; NEON-ENABLED: // %bb.0:
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; NEON-ENABLED-NEXT: fabd d0, d0, d1
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; NEON-ENABLED-NEXT: ret
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;
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; NEON-DISABLED-LABEL: fabd64:
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; NEON-DISABLED: // %bb.0:
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; NEON-DISABLED-NEXT: fabd d0, d0, d1
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; NEON-DISABLED-NEXT: ret
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%sub = fsub double %f1, %f2
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%abs = tail call double @llvm.fabs.f64(double %sub)
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ret double %abs
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}
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