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Imported Upstream version 5.18.0.179

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Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions
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36
external/llvm/test/Transforms/InstCombine/OverlappingInsertvalues.ll vendored Normal file
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; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
; Check that we can find and remove redundant insertvalues
; CHECK-LABEL: foo_simple
; CHECK-NOT: i8* %x, 0
define { i8*, i64, i32 } @foo_simple(i8* %x, i8* %y) nounwind {
entry:
%0 = insertvalue { i8*, i64, i32 } undef, i8* %x, 0
%1 = insertvalue { i8*, i64, i32 } %0, i8* %y, 0
ret { i8*, i64, i32 } %1
}
; Check that we can find and remove redundant nodes in insertvalues chain
; CHECK-LABEL: foo_ovwrt_chain
; CHECK-NOT: i64 %y, 1
; CHECK-NOT: i32 555, 2
define { i8*, i64, i32 } @foo_ovwrt_chain(i8* %x, i64 %y, i64 %z) nounwind {
entry:
%0 = insertvalue { i8*, i64, i32 } undef, i8* %x, 0
%1 = insertvalue { i8*, i64, i32 } %0, i64 %y, 1
%2 = insertvalue { i8*, i64, i32 } %1, i32 555, 2
%3 = insertvalue { i8*, i64, i32 } %2, i64 %z, 1
%4 = insertvalue { i8*, i64, i32 } %3, i32 777, 2
ret { i8*, i64, i32 } %4
}
; Check that we propagate insertvalues only if they are use as the first
; operand (as initial value of aggregate)
; CHECK-LABEL: foo_use_as_second_operand
; CHECK: i16 %x, 0
; CHECK: %0, 1
define { i8, {i16, i32} } @foo_use_as_second_operand(i16 %x) nounwind {
entry:
%0 = insertvalue { i16, i32 } undef, i16 %x, 0
%1 = insertvalue { i8, {i16, i32} } undef, { i16, i32 } %0, 1
ret { i8, {i16, i32} } %1
}