1 ; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -verify-machineinstrs | FileCheck %s 2 3 ; Check that float 0 gets rematerialized with an fmov of zero reg instead 4 ; of spilled/filled. 5 6 declare void @bar(float) 7 8 define void @foo() { 9 ; CHECK-LABEL: foo: 10 ; CHECK: fmov s0, wzr 11 ; CHECK: bl bar 12 ; CHECK: fmov s0, wzr 13 ; CHECK: bl bar 14 call void @bar(float 0.000000e+00) 15 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}"() 16 call void @bar(float 0.000000e+00) 17 ret void 18 } 19