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llvm-mirror/test/Transforms/LoopUnswitch/2006-06-27-DeadSwitchCase.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

27 lines
869 B
LLVM

; RUN: opt < %s -loop-unswitch -disable-output
; RUN: opt < %s -loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -disable-output
define void @init_caller_save() {
entry:
br label %cond_true78
cond_next20: ; preds = %cond_true64
br label %bb31
bb31: ; preds = %cond_true64, %cond_true64, %cond_next20
%iftmp.29.1 = phi i32 [ 0, %cond_next20 ], [ 0, %cond_true64 ], [ 0, %cond_true64 ] ; <i32> [#uses=0]
br label %bb54
bb54: ; preds = %cond_true78, %bb31
br i1 false, label %bb75, label %cond_true64
cond_true64: ; preds = %bb54
switch i32 %i.0.0, label %cond_next20 [
i32 17, label %bb31
i32 18, label %bb31
]
bb75: ; preds = %bb54
%tmp74.0 = add i32 %i.0.0, 1 ; <i32> [#uses=1]
br label %cond_true78
cond_true78: ; preds = %bb75, %entry
%i.0.0 = phi i32 [ 0, %entry ], [ %tmp74.0, %bb75 ] ; <i32> [#uses=2]
br label %bb54
}