Chad Rosier | affe181 | 2015-03-23 17:19:34 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -verify-machineinstrs |
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 | } |