29 changes: 8 additions & 21 deletions llvm/test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch-trivial-select.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -88,34 +88,21 @@ define i32 @unswitch_trivial_select_cmp_outside(i32 %x) {
; CHECK-LABEL: @unswitch_trivial_select_cmp_outside(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[X:%.*]], 100
; CHECK-NEXT: [[C_FR:%.*]] = freeze i1 [[C]]
; CHECK-NEXT: br i1 [[C_FR]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
; CHECK-NEXT: br i1 [[C]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
; CHECK: entry.split.us:
; CHECK-NEXT: br label [[LOOP_US:%.*]]
; CHECK: loop.us:
; CHECK-NEXT: [[P_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US]] ], [ 35, [[TMP1:%.*]] ]
; CHECK-NEXT: br label [[TMP0:%.*]]
; CHECK: 0:
; CHECK-NEXT: br label [[TMP1]]
; CHECK: 1:
; CHECK-NEXT: [[UNSWITCHED_SELECT_US:%.*]] = phi i1 [ true, [[TMP0]] ]
; CHECK-NEXT: br i1 [[UNSWITCHED_SELECT_US]], label [[LOOP_US]], label [[EXIT_SPLIT_US:%.*]]
; CHECK: exit.split.us:
; CHECK-NEXT: [[LCSSA_US:%.*]] = phi i32 [ [[P_US]], [[TMP1]] ]
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK-NEXT: [[P_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US]] ], [ 35, [[LOOP_US]] ]
; CHECK-NEXT: br label [[LOOP_US]]
; CHECK: entry.split:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[P:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT]] ], [ 35, [[TMP2:%.*]] ]
; CHECK-NEXT: br label [[TMP2]]
; CHECK: 2:
; CHECK-NEXT: br i1 false, label [[LOOP]], label [[EXIT_SPLIT:%.*]]
; CHECK: exit.split:
; CHECK-NEXT: [[LCSSA:%.*]] = phi i32 [ [[P]], [[TMP2]] ]
; CHECK-NEXT: br label [[EXIT]]
; CHECK-NEXT: [[P:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT]] ]
; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 false, i1 true, i1 false
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: exit:
; CHECK-NEXT: [[DOTUS_PHI:%.*]] = phi i32 [ [[LCSSA]], [[EXIT_SPLIT]] ], [ [[LCSSA_US]], [[EXIT_SPLIT_US]] ]
; CHECK-NEXT: ret i32 [[DOTUS_PHI]]
; CHECK-NEXT: [[LCSSA:%.*]] = phi i32 [ [[P]], [[LOOP]] ]
; CHECK-NEXT: ret i32 [[LCSSA]]
;
entry:
%c = icmp ult i32 %x, 100
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