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fd4828e40a
I am doing this separately from the actual change to eliminate the option to make it easier to review.
59 lines
2.1 KiB
Plaintext
59 lines
2.1 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all %s -mem2reg
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// Make sure we are not crashing on blocks that are not dominated by the entry block.
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sil_stage canonical
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import Builtin
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import Swift
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sil @_TF4main3fooFT1xSi1ySi_Si : $@convention(thin) (Int32, Int32) -> Int32 {
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bb0(%0 : $Int32, %1 : $Int32):
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debug_value %0 : $Int32, let, name "x" // id: %2
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debug_value %1 : $Int32, let, name "y" // id: %3
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%4 = alloc_stack $Int32, var, name "g" // users: %14, %18, %20, %21
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%6 = struct_extract %1 : $Int32, #Int32._value // user: %8
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%7 = struct_extract %0 : $Int32, #Int32._value // user: %8
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%8 = builtin "cmp_sgt_Word"(%6 : $Builtin.Int32, %7 : $Builtin.Int32) : $Builtin.Int1 // user: %9
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%9 = struct $Bool (%8 : $Builtin.Int1) // user: %10
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%10 = struct_extract %9 : $Bool, #Bool._value // user: %11
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br bb2 // id: %11
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bb1: // Preds: bb0
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%12 = integer_literal $Builtin.Int32, 5 // user: %13
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%13 = struct $Int32 (%12 : $Builtin.Int32) // user: %14
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store %13 to %4 : $*Int32 // id: %14
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br bb3 // id: %15
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bb2: // Preds: bb0
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%16 = integer_literal $Builtin.Int32, 4 // user: %17
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%17 = struct $Int32 (%16 : $Builtin.Int32) // user: %18
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store %17 to %4 : $*Int32 // id: %18
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br bb3 // id: %19
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bb3: // Preds: bb1 bb2
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%20 = load %4 : $*Int32 // user: %22
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dealloc_stack %4 : $*Int32 // id: %21
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return %20 : $Int32 // id: %22
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}
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struct S {}
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sil hidden @handle_unreachable : $@convention(thin) () -> () {
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bb0:
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%0 = alloc_stack $S, var, name "x"
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%1 = struct $S ()
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store %1 to %0 : $*S
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unreachable
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bb1:
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debug_value_addr %0 : $*S, let, name "newvalue", argno 1
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br bb2
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bb2:
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%3 = load %0 : $*S
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dealloc_stack %0 : $*S
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%4 = tuple ()
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return %4 : $()
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}
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