xref: /llvm-project/llvm/test/CodeGen/ARM/fast-isel-br-phi.ll (revision 945a660cbc928a451b2a3114104c2b55e63c7bac)
1*945a660cSMehdi Amini; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios
26d68c7cfSChad Rosier
36d68c7cfSChad Rosier; This test ensures HandlePHINodesInSuccessorBlocks() is able to promote basic
46d68c7cfSChad Rosier; non-legal integer types (i.e., i1, i8, i16).
56d68c7cfSChad Rosier
66d68c7cfSChad Rosierdeclare void @fooi8(i8)
76d68c7cfSChad Rosierdeclare void @fooi16(i16)
86d68c7cfSChad Rosier
96d68c7cfSChad Rosierdefine void @foo(i1 %cmp) nounwind ssp {
106d68c7cfSChad Rosierentry:
116d68c7cfSChad Rosier  br i1 %cmp, label %cond.true, label %cond.false
126d68c7cfSChad Rosier
136d68c7cfSChad Rosiercond.true:                                        ; preds = %entry
146d68c7cfSChad Rosier  br label %cond.end
156d68c7cfSChad Rosier
166d68c7cfSChad Rosiercond.false:                                       ; preds = %entry
176d68c7cfSChad Rosier  br label %cond.end
186d68c7cfSChad Rosier
196d68c7cfSChad Rosiercond.end:                                         ; preds = %cond.false, %cond.true
206d68c7cfSChad Rosier  %cond = phi i1 [ 0, %cond.true ], [ 1, %cond.false ]
216d68c7cfSChad Rosier  br i1 %cond, label %cond.true8, label %cond.false8
226d68c7cfSChad Rosier
236d68c7cfSChad Rosiercond.true8:                                       ; preds = %cond.end
246d68c7cfSChad Rosier  br label %cond.end8
256d68c7cfSChad Rosier
266d68c7cfSChad Rosiercond.false8:                                      ; preds = %cond.end
276d68c7cfSChad Rosier  br label %cond.end8
286d68c7cfSChad Rosier
296d68c7cfSChad Rosiercond.end8:                                        ; preds = %cond.false8, %cond.true8
306d68c7cfSChad Rosier  %cond8 = phi i8 [ 0, %cond.true8 ], [ 1, %cond.false8 ]
316d68c7cfSChad Rosier  call void @fooi8(i8 %cond8)
326d68c7cfSChad Rosier  br i1 0, label %cond.true16, label %cond.false16
336d68c7cfSChad Rosier
346d68c7cfSChad Rosiercond.true16:                                       ; preds = %cond.end8
356d68c7cfSChad Rosier  br label %cond.end16
366d68c7cfSChad Rosier
376d68c7cfSChad Rosiercond.false16:                                      ; preds = %cond.end8
386d68c7cfSChad Rosier  br label %cond.end16
396d68c7cfSChad Rosier
406d68c7cfSChad Rosiercond.end16:                                        ; preds = %cond.false16, %cond.true16
416d68c7cfSChad Rosier  %cond16 = phi i16 [ 0, %cond.true16 ], [ 1, %cond.false16 ]
426d68c7cfSChad Rosier  call void @fooi16(i16 %cond16)
436d68c7cfSChad Rosier  ret void
446d68c7cfSChad Rosier}
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