llvm-for-llvmta/test/CodeGen/Thumb2/ifcvt-dead-predicate.mir

79 lines
2.9 KiB
Plaintext
Raw Normal View History

2022-04-25 10:02:23 +02:00
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -o - %s -run-pass=if-converter -simplify-mir | FileCheck %s
--- |
; ModuleID = 'ifcvt-dead-predicate.ll'
source_filename = "ifcvt-dead-predicate.ll"
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7-unknown-linux-android16"
; Function Attrs: minsize nounwind optsize ssp uwtable
define hidden zeroext i1 @branch_entry(i32* %command_set, i8* %requested_filename, i8** %filename_to_use) local_unnamed_addr #0 {
entry:
%0 = load i32, i32* %command_set, align 4
%and.i.i = and i32 %0, 128
%tobool.i.i.not = icmp eq i32 %and.i.i, 0
br i1 %tobool.i.i.not, label %land.end, label %land.rhs
land.rhs: ; preds = %entry
%call1 = tail call zeroext i1 @branch_target(i8* %requested_filename, i8** %filename_to_use)
ret i1 %call1
land.end: ; preds = %entry
ret i1 false
}
; Function Attrs: minsize optsize
declare zeroext i1 @branch_target(i8*, i8**) local_unnamed_addr #1
attributes #0 = { minsize nounwind optsize ssp uwtable }
attributes #1 = { minsize optsize }
...
---
name: branch_entry
alignment: 2
tracksRegLiveness: true
liveins:
- { reg: '$r0' }
- { reg: '$r1' }
- { reg: '$r2' }
frameInfo:
maxAlignment: 1
maxCallFrameSize: 0
machineFunctionInfo: {}
body: |
; CHECK-LABEL: name: branch_entry
; CHECK: bb.0.entry:
; CHECK: successors: %bb.1
; CHECK: liveins: $r0, $r1, $r2
; CHECK: renamable $r0 = tLDRBi killed renamable $r0, 0, 14 /* CC::al */, $noreg :: (load 1 from %ir.command_set, align 4)
; CHECK: dead renamable $r0, $cpsr = tLSLri killed renamable $r0, 24, 14 /* CC::al */, $noreg
; CHECK: $r0, dead $noreg = tMOVi8 0, 5 /* CC::pl */, $cpsr
; CHECK: tBX_RET 5 /* CC::pl */, killed $cpsr, implicit killed $r0
; CHECK: bb.1.land.rhs:
; CHECK: liveins: $r1, $r2
; CHECK: $r0 = tMOVr killed $r1, 14 /* CC::al */, $noreg
; CHECK: $r1 = tMOVr killed $r2, 14 /* CC::al */, $noreg
; CHECK: tTAILJMPdND @branch_target, 14 /* CC::al */, $noreg, implicit $sp, implicit $sp, implicit $r0, implicit $r1
bb.0.entry:
successors: %bb.1, %bb.2
liveins: $r0, $r1, $r2
renamable $r0 = tLDRBi killed renamable $r0, 0, 14 /* CC::al */, $noreg :: (load 1 from %ir.command_set, align 4)
dead renamable $r0, $cpsr = tLSLri killed renamable $r0, 24, 14 /* CC::al */, $noreg
t2Bcc %bb.2, 4 /* CC::mi */, killed $cpsr
bb.1.land.end:
$r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
tBX_RET 14 /* CC::al */, $noreg, implicit $r0
bb.2.land.rhs:
liveins: $r1, $r2
$r0 = tMOVr killed $r1, 14 /* CC::al */, $noreg
$r1 = tMOVr killed $r2, 14 /* CC::al */, $noreg
tTAILJMPdND @branch_target, 14 /* CC::al */, $noreg, implicit $sp, implicit $sp, implicit $r0, implicit $r1
...