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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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27
external/llvm-project/llvm/test/CodeGen/X86/2008-06-13-NotVolatileLoadStore.ll vendored Normal file
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; RUN: llc < %s -mtriple=i686-- -fixup-byte-word-insts=0 | FileCheck %s -check-prefix=CHECK -check-prefix=BWOFF
; RUN: llc < %s -mtriple=i686-- -fixup-byte-word-insts=1 | FileCheck %s -check-prefix=CHECK -check-prefix=BWON
; These transforms are turned off for load volatiles and stores.
; Check that they weren't turned off for all loads and stores!
; CHECK-LABEL: f:
; CHECK-NOT: movsd
; BWOFF: movw
; BWON: movzwl
; CHECK: addw
@atomic = global double 0.000000e+00 ; <double*> [#uses=1]
@atomic2 = global double 0.000000e+00 ; <double*> [#uses=1]
@ioport = global i32 0 ; <i32*> [#uses=1]
@ioport2 = global i32 0 ; <i32*> [#uses=1]
define i16 @f(i64 %x) {
%b = bitcast i64 %x to double ; <double> [#uses=1]
store double %b, double* @atomic
store double 0.000000e+00, double* @atomic2
%l = load i32, i32* @ioport ; <i32> [#uses=1]
%t = trunc i32 %l to i16 ; <i16> [#uses=1]
%l2 = load i32, i32* @ioport2 ; <i32> [#uses=1]
%tmp = lshr i32 %l2, 16 ; <i32> [#uses=1]
%t2 = trunc i32 %tmp to i16 ; <i16> [#uses=1]
%f = add i16 %t, %t2 ; <i16> [#uses=1]
ret i16 %f
}