36 lines
1.1 KiB
LLVM
36 lines
1.1 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc %s -o - | FileCheck %s
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target triple = "arm64-apple-ios13.4.0"
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; Make we do not get stuck in a cycle in DAGCombiner.
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define void @test(i1 %c, <1 x double>* %ptr) {
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; CHECK-LABEL: test:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: movi d0, #0000000000000000
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; CHECK-NEXT: tbz w0, #0, LBB0_2
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; CHECK-NEXT: ; %bb.1: ; %bb1
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; CHECK-NEXT: ldr d0, [x1]
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; CHECK-NEXT: LBB0_2: ; %bb2
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; CHECK-NEXT: ldr q1, [x8]
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; CHECK-NEXT: mov.d v1[0], v0[0]
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; CHECK-NEXT: str q1, [x8]
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; CHECK-NEXT: ret
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entry:
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br i1 %c, label %bb1, label %bb2
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bb1:
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%lv1 = load <1 x double>, <1 x double>* %ptr, align 16
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br label %bb2
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bb2:
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%p = phi <1 x double> [ %lv1, %bb1 ], [ zeroinitializer, %entry ]
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%vecext19 = extractelement <1 x double> %p, i32 0
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%arrayidx21 = getelementptr inbounds [4 x <4 x double>], [4 x <4 x double>]* undef, i64 0, i64 3
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%lv2 = load <4 x double>, <4 x double>* %arrayidx21, align 16
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%vecins22 = insertelement <4 x double> %lv2, double %vecext19, i32 2
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store <4 x double> %vecins22, <4 x double>* %arrayidx21, align 16
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ret void
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}
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