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19 lines
661 B
LLVM
19 lines
661 B
LLVM
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -verify-machineinstrs | FileCheck %s
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; Check that float 0 gets rematerialized with an fmov of zero reg instead
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; of spilled/filled.
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declare void @bar(float)
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define void @foo() {
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; CHECK-LABEL: foo:
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; CHECK: fmov s0, wzr
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; CHECK: bl bar
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; CHECK: fmov s0, wzr
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; CHECK: bl bar
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call void @bar(float 0.000000e+00)
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call void asm sideeffect "", "~{s0},~{s1},~{s2},~{s3},~{s4},~{s5},~{s6},~{s7},~{s8},~{s9},~{s10},~{s11},~{s12},~{s13},~{s14},~{s15},~{s16},~{s17},~{s18},~{s19},~{s20},~{s21},~{s22},~{s23},~{s24},~{s25},~{s26},~{s27},~{s28},~{s29},~{s30},~{s31}"()
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call void @bar(float 0.000000e+00)
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ret void
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}
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