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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

20 lines
545 B
LLVM

; RUN: opt -licm -S < %s | FileCheck %s
define void @f(i1 zeroext %p1) {
; CHECK-LABEL: @f(
entry:
br label %lbl
lbl.loopexit: ; No predecessors!
br label %lbl
lbl: ; preds = %lbl.loopexit, %entry
%phi = phi i32 [ %conv, %lbl.loopexit ], [ undef, %entry ]
; CHECK: phi i32 [ undef, {{.*}} ], [ undef
br label %if.then.5
if.then.5: ; preds = %if.then.5, %lbl
%conv = zext i1 undef to i32
br label %if.then.5
}