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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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40
external/llvm/test/Transforms/LowerSwitch/phi-in-dead-block.ll vendored Normal file
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; RUN: opt -S -lowerswitch %s | FileCheck %s
; CHECK-LABEL: @phi_in_dead_block(
; CHECK-NOT: switch
define void @phi_in_dead_block() {
bb:
br i1 undef, label %bb2, label %bb3
bb1: ; No predecessors!
switch i32 undef, label %bb2 [
i32 9, label %bb3
]
bb2: ; preds = %bb1, %bb
%tmp = phi i64 [ undef, %bb1 ], [ undef, %bb ]
unreachable
bb3: ; preds = %bb1, %bb
unreachable
}
; CHECK-LABEL: @phi_in_dead_block_br_to_self(
; CHECK-NOT: switch
define void @phi_in_dead_block_br_to_self() {
bb:
br i1 undef, label %bb2, label %bb3
bb1: ; No predecessors!
switch i32 undef, label %bb2 [
i32 9, label %bb3
i32 10, label %bb1
]
bb2: ; preds = %bb1, %bb
%tmp = phi i64 [ undef, %bb1 ], [ undef, %bb ]
unreachable
bb3: ; preds = %bb1, %bb
unreachable
}