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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -no-integrated-as -start-after=block-placement %s -o - | FileCheck %s
# Test that LTEBR is used without an unnecessary LER
--- |
define float @f15(float %val, float %dummy, float* %dest) {
entry:
call void asm sideeffect "blah $0", "{f2}"(float %val)
%cmp = fcmp olt float %val, 0.000000e+00
br i1 %cmp, label %exit, label %store
store: ; preds = %entry
store float %val, float* %dest
br label %exit
exit: ; preds = %store, %entry
ret float %val
}
...
# CHECK: ltebr %f2, %f0
---
name: f15
tracksRegLiveness: true
liveins:
- { reg: '$f0s', virtual-reg: '' }
- { reg: '$r2d', virtual-reg: '' }
body: |
bb.0.entry:
liveins: $f0s, $r2d
LTEBRCompare $f0s, $f0s, implicit-def $cc
$f2s = LER $f0s
INLINEASM &"blah $0", 1, 9, $f2s
CondReturn 15, 4, implicit $f0s, implicit $cc
bb.1.store:
liveins: $f0s, $r2d
STE $f0s, killed $r2d, 0, $noreg :: (store 4 into %ir.dest)
Return implicit $f0s
...
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