forked from OSchip/llvm-project
34 lines
1.2 KiB
LLVM
34 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -mattr=+neon | FileCheck %s --check-prefixes=CHECK,CHECK-NEON
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; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -mattr=-neon | FileCheck %s --check-prefixes=CHECK,CHECK-SCALAR
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; Check that big fp constants can be rematerialized with movi
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target triple = "aarch64-unknown-linux-gnu"
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; float foo(void) { return float(2147483648); }
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define float @foo() {
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; CHECK-LABEL: foo:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEON-NEXT: movi v0.2s, #79, lsl #24
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; CHECK-SCALAR-NEXT: mov w8, #1325400064
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; CHECK-SCALAR-NEXT: fmov s0, w8
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; CHECK-NEXT: ret
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entry:
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ret float 0x41E0000000000000
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}
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; float foo2(float p) { return p + float(2147483648); }
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define float @foo2(float %f) {
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; CHECK-LABEL: foo2:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEON-NEXT: movi v1.2s, #79, lsl #24
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; CHECK-NEON-NEXT: fadd s0, s0, s1
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; CHECK-SCALAR-NEXT: mov w8, #1325400064
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; CHECK-SCALAR-NEXT: fmov s1, w8
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; CHECK-SCALAR-NEXT: fadd s0, s0, s1
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; CHECK-NEXT: ret
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entry:
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%p = fadd float %f, 0x41E0000000000000
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ret float %p
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}
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