| # 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 | |
| ... |