diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/misched-branch-targets.mir')
-rw-r--r-- | llvm/test/CodeGen/ARM/misched-branch-targets.mir | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/misched-branch-targets.mir b/llvm/test/CodeGen/ARM/misched-branch-targets.mir new file mode 100644 index 0000000..b071fbd --- /dev/null +++ b/llvm/test/CodeGen/ARM/misched-branch-targets.mir @@ -0,0 +1,166 @@ +# RUN: llc -o - -run-pass=machine-scheduler -misched=shuffle %s | FileCheck %s +# RUN: llc -o - -run-pass=postmisched %s | FileCheck %s + +--- | + target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" + target triple = "thumbv8.1m.main-arm-none-eabi" + + define i32 @foo_bti() #0 { + entry: + ret i32 0 + } + + define i32 @foo_pac() #0 { + entry: + ret i32 0 + } + + define i32 @foo_pacbti() #0 { + entry: + ret i32 0 + } + + define i32 @foo_setjmp() #0 { + entry: + ret i32 0 + if.then: + ret i32 0 + } + + define i32 @foo_sg() #0 { + entry: + ret i32 0 + } + + declare i32 @setjmp(ptr noundef) #1 + declare void @longjmp(ptr noundef, i32 noundef) #2 + + attributes #0 = { "frame-pointer"="all" "target-cpu"="cortex-m55" "target-features"="+armv8.1-m.main" } + attributes #1 = { nounwind returns_twice "frame-pointer"="all" "target-cpu"="cortex-m55" "target-features"="+armv8.1-m.main" } + attributes #2 = { noreturn nounwind "frame-pointer"="all" "target-cpu"="cortex-m55" "target-features"="+armv8.1-m.main" } + +... +--- +name: foo_bti +tracksRegLiveness: true +body: | + bb.0.entry: + liveins: $r0 + + t2BTI + renamable $r0, dead $cpsr = nsw tADDi8 killed renamable $r0, 1, 14 /* CC::al */, $noreg + tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0 + +... + +# CHECK-LABEL: name: foo_bti +# CHECK: body: +# CHECK-NEXT: bb.0.entry: +# CHECK-NEXT: liveins: $r0 +# CHECK-NEXT: {{^ +$}} +# CHECK-NEXT: t2BTI + +--- +name: foo_pac +tracksRegLiveness: true +body: | + bb.0.entry: + liveins: $r0, $lr, $r12 + + frame-setup t2PAC implicit-def $r12, implicit $lr, implicit $sp + renamable $r2 = nsw t2ADDri $r0, 3, 14 /* CC::al */, $noreg, $noreg + $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr + $r7 = frame-setup tMOVr killed $sp, 14 /* CC::al */, $noreg + early-clobber $sp = frame-setup t2STR_PRE killed $r12, $sp, -4, 14 /* CC::al */, $noreg + $r12, $sp = frame-destroy t2LDR_POST $sp, 4, 14 /* CC::al */, $noreg + $sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr + t2AUT implicit $r12, implicit $lr, implicit $sp + tBX_RET 14 /* CC::al */, $noreg, implicit $r0 + +... + +# CHECK-LABEL: name: foo_pac +# CHECK: body: +# CHECK-NEXT: bb.0.entry: +# CHECK-NEXT: liveins: $r0, $lr, $r12 +# CHECK-NEXT: {{^ +$}} +# CHECK-NEXT: frame-setup t2PAC implicit-def $r12, implicit $lr, implicit $sp + +--- +name: foo_pacbti +tracksRegLiveness: true +body: | + bb.0.entry: + liveins: $r0, $lr, $r12 + + frame-setup t2PACBTI implicit-def $r12, implicit $lr, implicit $sp + renamable $r2 = nsw t2ADDri $r0, 3, 14 /* CC::al */, $noreg, $noreg + $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr + $r7 = frame-setup tMOVr killed $sp, 14 /* CC::al */, $noreg + early-clobber $sp = frame-setup t2STR_PRE killed $r12, $sp, -4, 14 /* CC::al */, $noreg + $r12, $sp = frame-destroy t2LDR_POST $sp, 4, 14 /* CC::al */, $noreg + $sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr + t2AUT implicit $r12, implicit $lr, implicit $sp + tBX_RET 14 /* CC::al */, $noreg, implicit $r0 + +... + +# CHECK-LABEL: name: foo_pacbti +# CHECK: body: +# CHECK-NEXT: bb.0.entry: +# CHECK-NEXT: liveins: $r0, $lr, $r12 +# CHECK-NEXT: {{^ +$}} +# CHECK-NEXT: frame-setup t2PACBTI implicit-def $r12, implicit $lr, implicit $sp + +--- +name: foo_setjmp +tracksRegLiveness: true +body: | + bb.0.entry: + successors: %bb.1 + liveins: $lr + + frame-setup tPUSH 14 /* CC::al */, $noreg, $r7, killed $lr, implicit-def $sp, implicit $sp + $r7 = frame-setup tMOVr $sp, 14 /* CC::al */, $noreg + $sp = frame-setup tSUBspi $sp, 40, 14 /* CC::al */, $noreg + renamable $r0 = tMOVr $sp, 14 /* CC::al */, $noreg + tBL 14 /* CC::al */, $noreg, @setjmp, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0 + t2BTI + renamable $r2 = nsw t2ADDri $r0, 3, 14 /* CC::al */, $noreg, $noreg + tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr + t2IT 0, 2, implicit-def $itstate + renamable $r0 = tMOVi8 $noreg, 0, 0 /* CC::eq */, $cpsr, implicit $itstate + $sp = frame-destroy tADDspi $sp, 40, 0 /* CC::eq */, $cpsr, implicit $itstate + frame-destroy tPOP_RET 0 /* CC::eq */, killed $cpsr, def $r7, def $pc, implicit killed $r0, implicit $sp, implicit killed $itstate + + bb.1.if.then: + renamable $r0 = tMOVr $sp, 14 /* CC::al */, $noreg + renamable $r1, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg + tBL 14 /* CC::al */, $noreg, @longjmp, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit-def $sp + +... + +# CHECK-LABEL: name: foo_setjmp +# CHECK: body: +# CHECK: tBL 14 /* CC::al */, $noreg, @setjmp, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0 +# CHECK-NEXT: t2BTI + +--- +name: foo_sg +tracksRegLiveness: true +body: | + bb.0.entry: + liveins: $r0 + + t2SG 14 /* CC::al */, $noreg + renamable $r0, dead $cpsr = nsw tADDi8 killed renamable $r0, 1, 14 /* CC::al */, $noreg + tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0 + +... + +# CHECK-LABEL: name: foo_sg +# CHECK: body: +# CHECK-NEXT: bb.0.entry: +# CHECK-NEXT: liveins: $r0 +# CHECK-NEXT: {{^ +$}} +# CHECK-NEXT: t2SG |