derek.holloway
7502bf64a4
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241 lines
7.7 KiB
LLVM
241 lines
7.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=aarch64 < %s | FileCheck %s
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define void @shared_fneg_across_bbs(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %a, <4 x float> %b, i1 %cond, ptr %out1, ptr %out2) {
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; CHECK-LABEL: shared_fneg_across_bbs:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmls v2.4s, v1.4s, v0.4s
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; CHECK-NEXT: str q2, [x1]
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; CHECK-NEXT: tbz w0, #0, .LBB0_2
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; CHECK-NEXT: // %bb.1: // %use_bb
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; CHECK-NEXT: fmls v4.4s, v3.4s, v0.4s
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; CHECK-NEXT: str q4, [x2]
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; CHECK-NEXT: .LBB0_2: // %exit
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; CHECK-NEXT: ret
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entry:
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%neg = fneg <4 x float> %x
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%r1 = call <4 x float> @llvm.fma.v4f32(<4 x float> %y, <4 x float> %neg, <4 x float> %z)
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store <4 x float> %r1, ptr %out1
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br i1 %cond, label %use_bb, label %exit
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use_bb:
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%r2 = call <4 x float> @llvm.fma.v4f32(<4 x float> %a, <4 x float> %neg, <4 x float> %b)
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store <4 x float> %r2, ptr %out2
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br label %exit
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exit:
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ret void
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}
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define void @shared_fnegs_across_bbs(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %a, <4 x float> %b, i1 %cond, ptr %out1, ptr %out2) {
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; CHECK-LABEL: shared_fnegs_across_bbs:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmla v2.4s, v0.4s, v3.4s
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; CHECK-NEXT: str q2, [x1]
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; CHECK-NEXT: tbz w0, #0, .LBB1_2
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; CHECK-NEXT: // %bb.1: // %use_bb
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; CHECK-NEXT: fmla v4.4s, v0.4s, v3.4s
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; CHECK-NEXT: str q4, [x2]
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; CHECK-NEXT: .LBB1_2: // %exit
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; CHECK-NEXT: ret
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entry:
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%negx = fneg <4 x float> %x
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%nega = fneg <4 x float> %a
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%r1 = call <4 x float> @llvm.fma.v4f32(<4 x float> %nega, <4 x float> %negx, <4 x float> %z)
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store <4 x float> %r1, ptr %out1
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br i1 %cond, label %use_bb, label %exit
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use_bb:
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%r2 = call <4 x float> @llvm.fma.v4f32(<4 x float> %nega, <4 x float> %negx, <4 x float> %b)
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store <4 x float> %r2, ptr %out2
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br label %exit
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exit:
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ret void
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}
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define <4 x float> @shared_fneg_with_other_users(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %a, <4 x float> %b, i1 %cond, ptr %out1, ptr %out2) {
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; CHECK-LABEL: shared_fneg_with_other_users:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmls v2.4s, v1.4s, v0.4s
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; CHECK-NEXT: fneg v1.4s, v0.4s
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; CHECK-NEXT: str q2, [x1]
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; CHECK-NEXT: tbz w0, #0, .LBB2_2
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; CHECK-NEXT: // %bb.1: // %use_bb
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; CHECK-NEXT: fmls v4.4s, v3.4s, v0.4s
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; CHECK-NEXT: mov v0.16b, v1.16b
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; CHECK-NEXT: str q4, [x2]
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB2_2: // %other_use
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; CHECK-NEXT: sub sp, sp, #32
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; CHECK-NEXT: str x30, [sp, #16] // 8-byte Spill
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: .cfi_offset w30, -16
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; CHECK-NEXT: mov v0.16b, v1.16b
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; CHECK-NEXT: str q1, [sp] // 16-byte Spill
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; CHECK-NEXT: bl foo
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; CHECK-NEXT: ldr q0, [sp] // 16-byte Reload
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; CHECK-NEXT: ldr x30, [sp, #16] // 8-byte Reload
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; CHECK-NEXT: add sp, sp, #32
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; CHECK-NEXT: ret
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entry:
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%neg = fneg <4 x float> %x
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%r1 = call <4 x float> @llvm.fma.v4f32(<4 x float> %y, <4 x float> %neg, <4 x float> %z)
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store <4 x float> %r1, ptr %out1
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br i1 %cond, label %use_bb, label %other_use
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use_bb:
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%r2 = call <4 x float> @llvm.fma.v4f32(<4 x float> %a, <4 x float> %neg, <4 x float> %b)
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store <4 x float> %r2, ptr %out2
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br label %exit
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other_use:
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call void @foo(<4 x float> %neg)
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br label %exit
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exit:
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ret <4 x float> %neg
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}
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define void @shared_fneg_across_bbs_fmuladd(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %a, <4 x float> %b, i1 %cond, ptr %out1, ptr %out2) {
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; CHECK-LABEL: shared_fneg_across_bbs_fmuladd:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmls v2.4s, v1.4s, v0.4s
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; CHECK-NEXT: str q2, [x1]
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; CHECK-NEXT: tbz w0, #0, .LBB3_2
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; CHECK-NEXT: // %bb.1: // %use_bb
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; CHECK-NEXT: fmls v4.4s, v3.4s, v0.4s
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; CHECK-NEXT: str q4, [x2]
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; CHECK-NEXT: .LBB3_2: // %exit
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; CHECK-NEXT: ret
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entry:
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%neg = fneg <4 x float> %x
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%r1 = call <4 x float> @llvm.fmuladd.v4f32(<4 x float> %y, <4 x float> %neg, <4 x float> %z)
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store <4 x float> %r1, ptr %out1
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br i1 %cond, label %use_bb, label %exit
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use_bb:
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%r2 = call <4 x float> @llvm.fmuladd.v4f32(<4 x float> %a, <4 x float> %neg, <4 x float> %b)
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store <4 x float> %r2, ptr %out2
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br label %exit
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exit:
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ret void
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}
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define void @shared_fneg_across_bbs_fmul_fast(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %a, <4 x float> %b, i1 %cond, ptr %out1, ptr %out2) {
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; CHECK-LABEL: shared_fneg_across_bbs_fmul_fast:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmls v2.4s, v0.4s, v1.4s
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; CHECK-NEXT: str q2, [x1]
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; CHECK-NEXT: tbz w0, #0, .LBB4_2
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; CHECK-NEXT: // %bb.1: // %use_bb
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; CHECK-NEXT: fmls v4.4s, v0.4s, v3.4s
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; CHECK-NEXT: str q4, [x2]
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; CHECK-NEXT: .LBB4_2: // %exit
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; CHECK-NEXT: ret
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entry:
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%neg = fneg <4 x float> %x
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%mul1 = fmul fast <4 x float> %y, %neg
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%r1 = fadd fast <4 x float> %mul1, %z
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store <4 x float> %r1, ptr %out1
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br i1 %cond, label %use_bb, label %exit
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use_bb:
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%mul2 = fmul fast <4 x float> %a, %neg
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%r2 = fadd fast <4 x float> %mul2, %b
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store <4 x float> %r2, ptr %out2
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br label %exit
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exit:
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ret void
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}
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define void @shared_fneg_across_bbs_fmul_contract(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %a, <4 x float> %b, i1 %cond, ptr %out1, ptr %out2) {
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; CHECK-LABEL: shared_fneg_across_bbs_fmul_contract:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmls v2.4s, v0.4s, v1.4s
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; CHECK-NEXT: str q2, [x1]
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; CHECK-NEXT: tbz w0, #0, .LBB5_2
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; CHECK-NEXT: // %bb.1: // %use_bb
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; CHECK-NEXT: fmls v4.4s, v0.4s, v3.4s
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; CHECK-NEXT: str q4, [x2]
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; CHECK-NEXT: .LBB5_2: // %exit
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; CHECK-NEXT: ret
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entry:
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%neg = fneg <4 x float> %x
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%mul1 = fmul contract <4 x float> %y, %neg
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%r1 = fadd contract <4 x float> %mul1, %z
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store <4 x float> %r1, ptr %out1
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br i1 %cond, label %use_bb, label %exit
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use_bb:
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%mul2 = fmul contract <4 x float> %a, %neg
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%r2 = fadd contract <4 x float> %mul2, %b
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store <4 x float> %r2, ptr %out2
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br label %exit
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exit:
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ret void
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}
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define void @shared_fneg_across_bbs_fmul_scalar(float %x, float %y, float %z, float %a, float %b, i1 %cond, ptr %out1, ptr %out2) {
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; CHECK-LABEL: shared_fneg_across_bbs_fmul_scalar:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmsub s1, s1, s0, s2
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; CHECK-NEXT: str s1, [x1]
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; CHECK-NEXT: tbz w0, #0, .LBB6_2
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; CHECK-NEXT: // %bb.1: // %use_bb
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; CHECK-NEXT: fmsub s0, s3, s0, s4
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; CHECK-NEXT: str s0, [x2]
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; CHECK-NEXT: .LBB6_2: // %exit
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; CHECK-NEXT: ret
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entry:
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%neg = fneg float %x
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%mul1 = fmul fast float %y, %neg
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%r1 = fadd fast float %mul1, %z
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store float %r1, ptr %out1
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br i1 %cond, label %use_bb, label %exit
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use_bb:
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%mul2 = fmul fast float %a, %neg
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%r2 = fadd fast float %mul2, %b
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store float %r2, ptr %out2
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br label %exit
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exit:
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ret void
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}
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define void @shared_fneg_splat_across_bbs_fmul(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %a, <4 x float> %b, i1 %cond, ptr %out1, ptr %out2) {
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; CHECK-LABEL: shared_fneg_splat_across_bbs_fmul:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmls v2.4s, v0.4s, v1.s[0]
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; CHECK-NEXT: str q2, [x1]
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; CHECK-NEXT: tbz w0, #0, .LBB7_2
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; CHECK-NEXT: // %bb.1: // %use_bb
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; CHECK-NEXT: fmls v4.4s, v0.4s, v1.s[0]
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; CHECK-NEXT: str q4, [x2]
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; CHECK-NEXT: .LBB7_2: // %exit
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; CHECK-NEXT: ret
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entry:
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%neg = fneg <4 x float> %x
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%splat = shufflevector <4 x float> %y, <4 x float> poison, <4 x i32> zeroinitializer
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%mul1 = fmul fast <4 x float> %splat, %neg
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%r1 = fadd fast <4 x float> %mul1, %z
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store <4 x float> %r1, ptr %out1
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br i1 %cond, label %use_bb, label %exit
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use_bb:
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%mul2 = fmul fast <4 x float> %splat, %neg
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%r2 = fadd fast <4 x float> %mul2, %b
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store <4 x float> %r2, ptr %out2
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br label %exit
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exit:
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ret void
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}
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declare void @foo(<4 x float>)
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