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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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40
external/llvm/test/Transforms/GVN/PRE/lpre-call-wrap-2.ll vendored
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@ -1,40 +0,0 @@
; RUN: opt -S -basicaa -gvn -enable-load-pre < %s | FileCheck %s
;
; The partially redundant load in bb1 should be hoisted to "bb". This comes
; from this C code (GCC PR 23455):
; unsigned outcnt; extern void flush_outbuf(void);
; void bi_windup(unsigned char *outbuf, unsigned char bi_buf) {
; outbuf[outcnt] = bi_buf;
; if (outcnt == 16384)
; flush_outbuf();
; outbuf[outcnt] = bi_buf;
; }
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"
@outcnt = common global i32 0 ; <i32*> [#uses=3]
define void @bi_windup(i8* %outbuf, i8 zeroext %bi_buf) nounwind {
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = load i32, i32* @outcnt, align 4 ; <i32> [#uses=1]
%1 = getelementptr i8, i8* %outbuf, i32 %0 ; <i8*> [#uses=1]
store i8 %bi_buf, i8* %1, align 1
%2 = load i32, i32* @outcnt, align 4 ; <i32> [#uses=1]
%3 = icmp eq i32 %2, 16384 ; <i1> [#uses=1]
br i1 %3, label %bb, label %bb1
bb: ; preds = %entry
call void @flush_outbuf() nounwind
br label %bb1
bb1: ; preds = %bb, %entry
; CHECK: bb1:
; CHECK-NEXT: phi
; CHECK-NEXT: getelementptr
%4 = load i32, i32* @outcnt, align 4 ; <i32> [#uses=1]
%5 = getelementptr i8, i8* %outbuf, i32 %4 ; <i8*> [#uses=1]
store i8 %bi_buf, i8* %5, align 1
ret void
}
declare void @flush_outbuf()