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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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55
external/llvm/test/Transforms/GVN/PRE/lpre-call-wrap.ll vendored
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@ -1,55 +0,0 @@
; RUN: opt -S -gvn -enable-load-pre < %s | FileCheck %s
;
; Make sure the load in bb3.backedge is removed and moved into bb1 after the
; call. This makes the non-call case faster.
;
; This test is derived from this C++ code (GCC PR 37810):
; void g();
; struct A {
; int n; int m;
; A& operator++(void) { ++n; if (n == m) g(); return *this; }
; A() : n(0), m(0) { }
; friend bool operator!=(A const& a1, A const& a2) { return a1.n != a2.n; }
; };
; void testfunction(A& iter) { A const end; while (iter != end) ++iter; }
;
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin7"
%struct.A = type { i32, i32 }
define void @_Z12testfunctionR1A(%struct.A* %iter) {
entry:
%0 = getelementptr %struct.A, %struct.A* %iter, i32 0, i32 0 ; <i32*> [#uses=3]
%1 = load i32, i32* %0, align 4 ; <i32> [#uses=2]
%2 = icmp eq i32 %1, 0 ; <i1> [#uses=1]
br i1 %2, label %return, label %bb.nph
bb.nph: ; preds = %entry
%3 = getelementptr %struct.A, %struct.A* %iter, i32 0, i32 1 ; <i32*> [#uses=1]
br label %bb
bb: ; preds = %bb3.backedge, %bb.nph
%.rle = phi i32 [ %1, %bb.nph ], [ %7, %bb3.backedge ] ; <i32> [#uses=1]
%4 = add i32 %.rle, 1 ; <i32> [#uses=2]
store i32 %4, i32* %0, align 4
%5 = load i32, i32* %3, align 4 ; <i32> [#uses=1]
%6 = icmp eq i32 %4, %5 ; <i1> [#uses=1]
br i1 %6, label %bb1, label %bb3.backedge
bb1: ; preds = %bb
tail call void @_Z1gv()
br label %bb3.backedge
bb3.backedge: ; preds = %bb, %bb1
; CHECK: bb3.backedge:
; CHECK-NEXT: phi
; CHECK-NEXT: icmp
%7 = load i32, i32* %0, align 4 ; <i32> [#uses=2]
%8 = icmp eq i32 %7, 0 ; <i1> [#uses=1]
br i1 %8, label %return, label %bb
return: ; preds = %bb3.backedge, %entry
ret void
}
declare void @_Z1gv()