forked from OSchip/llvm-project
23 lines
562 B
LLVM
23 lines
562 B
LLVM
; RUN: opt -lowerswitch -S < %s | FileCheck %s
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; Test that we don't crash and have a different basic block for each incoming edge.
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define void @test_lower_switch() {
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; CHECK-LABEL: @test_lower_switch
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; CHECK: %merge = phi i64 [ 1, %BB3 ], [ 0, %NewDefault ], [ 0, %NodeBlock5 ], [ 0, %LeafBlock1 ]
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BB1:
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switch i32 undef, label %BB2 [
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i32 3, label %BB2
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i32 5, label %BB2
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i32 0, label %BB3
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i32 2, label %BB3
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i32 4, label %BB3
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]
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BB2:
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%merge = phi i64 [ 1, %BB3 ], [ 0, %BB1 ], [ 0, %BB1 ], [ 0, %BB1 ]
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ret void
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BB3:
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br label %BB2
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}
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