mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
4b462004e7
Just don't store the begin instruction.
This led to problem if the "begin" was not actually an instruction but a block argument.
Using the first instruction of that block is not correct in case the range ends immediately at the first instruction, e.g.
```
bb0(%0 : @owned $C):
destroy_value %0
```
132 lines
3.4 KiB
Plaintext
132 lines
3.4 KiB
Plaintext
// RUN: %target-sil-opt %s -dump-ranges -o /dev/null | %FileCheck %s
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// REQUIRES: swift_in_compiler
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sil_stage canonical
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// CHECK-LABEL: Instruction range in basic_test:
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// CHECK-NEXT: begin: %3 = string_literal utf8 "begin"
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// CHECK-NEXT: ends: %7 = string_literal utf8 "end"
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// CHECK-NEXT: %15 = string_literal utf8 "end"
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// CHECK-NEXT: exits: %18 = string_literal utf8 "outside"
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// CHECK-NEXT: interiors: %14 = string_literal utf8 "interior"
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// CHECK-NEXT: %10 = string_literal utf8 "interior"
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// CHECK-NEXT: Block range in basic_test:
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// CHECK-NEXT: begin: bb1
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// CHECK-NEXT: range: [bb1, bb3]
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// CHECK-NEXT: inclrange: [bb2, bb1, bb4, bb3]
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// CHECK-NEXT: ends: [bb2, bb4]
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// CHECK-NEXT: exits: [bb5]
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// CHECK-NEXT: interiors: [bb3]
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// CHECK-NEXT: End function basic_test
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sil @basic_test : $@convention(thin) () -> () {
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bb0:
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%0 = string_literal utf8 "outside"
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br bb1
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bb1:
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%2 = string_literal utf8 "outside"
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%3 = string_literal utf8 "begin"
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%4 = string_literal utf8 "inside"
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cond_br undef, bb2, bb3
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bb2:
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%6 = string_literal utf8 "inside"
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%7 = string_literal utf8 "end"
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%8 = string_literal utf8 "outside"
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br bb6
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bb3:
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%10 = string_literal utf8 "interior"
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%11 = string_literal utf8 "inside"
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cond_br undef, bb4, bb5
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bb4:
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%13 = string_literal utf8 "inside"
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%14 = string_literal utf8 "interior"
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%15 = string_literal utf8 "end"
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%16 = string_literal utf8 "outside"
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br bb6
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bb5:
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%18 = string_literal utf8 "outside"
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br bb6
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bb6:
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%r = tuple()
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return %r : $()
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}
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// CHECK-LABEL: Instruction range in loops:
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// CHECK-NEXT: begin: %3 = string_literal utf8 "begin"
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// CHECK-NEXT: ends: %10 = string_literal utf8 "end"
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// CHECK-NEXT: exits: %12 = tuple ()
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// CHECK-NEXT: interiors:
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// CHECK-NEXT: Block range in loops:
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// CHECK-NEXT: begin: bb1
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// CHECK-NEXT: range: [bb5, bb3, bb2, bb4, bb1]
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// CHECK-NEXT: inclrange: [bb6, bb5, bb3, bb2, bb4, bb1]
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// CHECK-NEXT: ends: [bb6]
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// CHECK-NEXT: exits: [bb7]
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// CHECK-NEXT: interiors: []
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// CHECK-NEXT: End function loops
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sil @loops : $@convention(thin) () -> () {
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bb0:
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%0 = string_literal utf8 "outside"
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br bb1
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bb1:
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%2 = string_literal utf8 "outside"
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%3 = string_literal utf8 "begin"
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%4 = string_literal utf8 "inside"
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br bb2
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bb2:
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cond_br undef, bb3, bb4
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bb3:
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cond_br undef, bb5, bb7
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bb4:
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br bb5
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bb5:
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cond_br undef, bb2, bb6
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bb6:
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%8 = string_literal utf8 "end"
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cond_br undef, bb1, bb7
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bb7:
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%r = tuple()
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return %r : $()
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}
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// CHECK-LABEL: Instruction range in minimal:
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// CHECK-NEXT: begin: %0 = string_literal utf8 "begin"
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// CHECK-NEXT: ends: %1 = string_literal utf8 "end"
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// CHECK-NEXT: exits:
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// CHECK-NEXT: interiors:
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// CHECK-NEXT: Block range in minimal:
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// CHECK-NEXT: begin: bb0
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// CHECK-NEXT: range: []
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// CHECK-NEXT: inclrange: [bb0]
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// CHECK-NEXT: ends: [bb0]
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// CHECK-NEXT: exits: []
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// CHECK-NEXT: interiors: []
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// CHECK-NEXT: End function minimal
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sil @minimal : $@convention(thin) () -> () {
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bb0:
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%0 = string_literal utf8 "begin"
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%1 = string_literal utf8 "end"
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%r = tuple()
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return %r : $()
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}
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// CHECK-LABEL: Instruction range in invalid:
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// CHECK-NEXT: <invalid>
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// CHECK: Block range in invalid:
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// CHECK-NEXT: <invalid>
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// CHECK: End function invalid
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sil @invalid : $@convention(thin) () -> () {
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bb0:
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cond_br undef, bb1, bb2
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bb1:
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%1 = string_literal utf8 "begin"
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br bb3
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bb2:
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br bb3
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bb3:
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%4 = string_literal utf8 "end"
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%r = tuple()
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return %r : $()
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}
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