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llvm-mirror/test/Transforms/NewGVN/pr33432.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

31 lines
843 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -newgvn -S %s | FileCheck %s
; Ensure we do not incorrect do phi of ops
@d = external local_unnamed_addr global i32, align 4
define void @patatino() {
; CHECK-LABEL: @patatino(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @d, align 4
; CHECK-NEXT: br label [[FOR_END10:%.*]]
; CHECK: for.end10:
; CHECK-NEXT: [[OR:%.*]] = or i32 [[TMP0]], 8
; CHECK-NEXT: br i1 undef, label [[IF_END:%.*]], label [[FOR_END10]]
; CHECK: if.end:
; CHECK-NEXT: ret void
;
entry:
%0 = load i32, i32* @d, align 4
br label %for.end10
for.end10:
%f.0 = phi i32 [ undef, %entry ], [ 8, %for.end10 ]
%or = or i32 %0, %f.0
%mul12 = mul nsw i32 %or, undef
br i1 undef, label %if.end, label %for.end10
if.end:
ret void
}