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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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22
external/llvm/test/Transforms/IndVarSimplify/2012-07-17-lftr-undef.ll vendored Normal file
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@@ -0,0 +1,22 @@
; RUN: opt < %s -indvars -S | FileCheck %s
; PR13371: indvars pass incorrectly substitutes 'undef' values
;
; LFTR should not user %undef as the loop counter.
; CHECK-LABEL: @test(
; CHECK-NOT: icmp{{.*}}undef
@.str3 = private constant [6 x i8] c"%lld\0A\00", align 1
declare i32 @printf(i8* noalias nocapture, ...) nounwind
define i64 @test() nounwind {
func_start:
br label %block9
block9: ; preds = %block9,%func_start
%undef = phi i64 [ %next_undef, %block9 ], [ undef, %func_start ]
%iter = phi i64 [ %next_iter, %block9 ], [ 1, %func_start ]
%next_iter = add nsw i64 %iter, 1
%0 = tail call i32 (i8*, ...) @printf(i8* noalias nocapture getelementptr inbounds ([6 x i8], [6 x i8]* @.str3, i64 0, i64 0), i64 %next_iter, i64 %undef)
%next_undef = add nsw i64 %undef, 1
%_tmp_3 = icmp slt i64 %next_iter, 100
br i1 %_tmp_3, label %block9, label %exit
exit: ; preds = %block9
ret i64 0
}