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Imported Upstream version 5.18.0.161

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Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
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33
external/llvm/test/Transforms/SCCP/2002-05-21-InvalidSimplify.ll vendored Normal file
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; This test shows SCCP "proving" that the loop (from bb6 to 14) loops infinitely
; this is in fact NOT the case, so the return should still be alive in the code
; after sccp and CFG simplification have been performed.
;
; RUN: opt < %s -sccp -simplifycfg -S | \
; RUN: grep ret
define void @old_main() {
bb3:
br label %bb6
bb6: ; preds = %bb14, %bb3
%reg403 = phi i32 [ %reg155, %bb14 ], [ 0, %bb3 ] ; <i32> [#uses=1]
%reg155 = add i32 %reg403, 1 ; <i32> [#uses=2]
br label %bb11
bb11: ; preds = %bb11, %bb6
%reg407 = phi i32 [ %reg408, %bb11 ], [ 0, %bb6 ] ; <i32> [#uses=2]
%reg408 = add i32 %reg407, 1 ; <i32> [#uses=1]
%cond550 = icmp sle i32 %reg407, 1 ; <i1> [#uses=1]
br i1 %cond550, label %bb11, label %bb12
bb12: ; preds = %bb11
br label %bb13
bb13: ; preds = %bb13, %bb12
%reg409 = phi i32 [ %reg410, %bb13 ], [ 0, %bb12 ] ; <i32> [#uses=1]
%reg410 = add i32 %reg409, 1 ; <i32> [#uses=2]
%cond552 = icmp sle i32 %reg410, 2 ; <i1> [#uses=1]
br i1 %cond552, label %bb13, label %bb14
bb14: ; preds = %bb13
%cond553 = icmp sle i32 %reg155, 31 ; <i1> [#uses=1]
br i1 %cond553, label %bb6, label %bb15
bb15: ; preds = %bb14
ret void
}