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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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28
external/llvm-project/llvm/test/Transforms/IndVarSimplify/lftr_simple.ll vendored Normal file
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; LFTR should eliminate the need for the computation of i*i completely. It
; is only used to compute the exit value.
; RUN: opt < %s -indvars -dce -S | FileCheck %s
; Provide legal integer types.
target datalayout = "n8:16:32:64"
@A = external global i32 ; <i32*> [#uses=1]
define i32 @quadratic_setlt() {
; CHECK-LABEL: @quadratic_setlt(
; CHECK-NOT: mul
entry:
br label %loop
loop: ; preds = %loop, %entry
%i = phi i32 [ 7, %entry ], [ %i.next, %loop ] ; <i32> [#uses=5]
%i.next = add i32 %i, 1 ; <i32> [#uses=1]
store i32 %i, i32* @A
%i2 = mul i32 %i, %i ; <i32> [#uses=1]
%c = icmp slt i32 %i2, 1000 ; <i1> [#uses=1]
br i1 %c, label %loop, label %loopexit
loopexit: ; preds = %loop
ret i32 %i
}