Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/Mips/compactbranches/empty-block.mir

@@ -1,91 +0,0 @@
-# RUN: llc -march=mipsel -mcpu=mips32r6 -start-after=block-placement %s -o - | FileCheck %s
-
-# Check that empty blocks in the cfg don't cause the mips hazard scheduler to
-# crash and that the nop is inserted correctly.
-
-# CHECK:  blezc
-# CHECK:  nop
-# CHECK: # %bb.1:
-# CHECK:  .insn
-# CHECK: # %bb.2:
-# CHECK:  .insn
-# CHECK: # %bb.3:
-# CHECK:  jal
-
---- |
-  ; ModuleID = '<stdin>'
-  source_filename = "<stdin>"
-  target datalayout = "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
-
-  declare i32 @k()
-
-  declare void @f(i32)
-
-  define void @l5() {
-  entry:
-    %call = tail call i32 @k()
-    %cmp = icmp sgt i32 %call, 0
-    br i1 %cmp, label %if.then, label %if.end
-
-  if.then:                                          ; preds = %entry
-    tail call void @f(i32 signext 2)
-    br label %if.end
-
-  if.end:                                           ; preds = %if.then, %entry
-    ret void
-  }
-
----
-name:            l5
-alignment:       2
-exposesReturnsTwice: false
-legalized:       false
-regBankSelected: false
-selected:        false
-tracksRegLiveness: true
-frameInfo:
-  isFrameAddressTaken: false
-  isReturnAddressTaken: false
-  hasStackMap:     false
-  hasPatchPoint:   false
-  stackSize:       24
-  offsetAdjustment: 0
-  maxAlignment:    4
-  adjustsStack:    true
-  hasCalls:        true
-  maxCallFrameSize: 16
-  hasOpaqueSPAdjustment: false
-  hasVAStart:      false
-  hasMustTailInVarArgFunc: false
-stack:
-  - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '%ra' }
-body:             |
-  bb.0.entry:
-    successors: %bb.1.if.then(0x50000000), %bb.4.if.end(0x30000000)
-    liveins: %ra
-
-    %sp = ADDiu %sp, -24
-    CFI_INSTRUCTION def_cfa_offset 24
-    SW killed %ra, %sp, 20 :: (store 4 into %stack.0)
-    CFI_INSTRUCTION offset %ra_64, -4
-    JAL @k, csr_o32_fp64, implicit-def dead %ra, implicit-def %sp, implicit-def %v0
-    BLEZ %v0, %bb.4.if.end, implicit-def %at
-
-  bb.1.if.then:
-    successors: %bb.2.if.then(0x80000000)
-
-  bb.2.if.then:
-    successors: %bb.3.if.then(0x80000000)
-
-  bb.3.if.then:
-    successors: %bb.4.if.end(0x80000000)
-
-    %a0 = ADDiu %zero, 2
-    JAL @f, csr_o32_fp64, implicit-def dead %ra, implicit killed %a0, implicit-def %sp
-
-  bb.4.if.end:
-    %ra = LW %sp, 20 :: (load 4 from %stack.0)
-    %sp = ADDiu %sp, 24
-    PseudoReturn undef %ra
-
-...