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76 lines
2.0 KiB
76 lines
2.0 KiB
; RUN: llvm-as < %s | llvm-bcanalyzer -dump | FileCheck %s
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; Test that metadata only used by a single function is serialized in that
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; function instead of in the global pool.
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;
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; In order to make the bitcode records easy to follow, nodes in this testcase
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; are named after the ids they are given in the bitcode. Nodes local to a
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; function have offsets of 100 or 200 (depending on the function) so that they
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; remain unique within this textual IR.
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; Check for strings in the global pool.
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; CHECK: <METADATA_BLOCK
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; CHECK-NEXT: <STRINGS
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; CHECK-SAME: /> num-strings = 3 {
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; CHECK-NEXT: 'named'
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; CHECK-NEXT: 'named and foo'
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; CHECK-NEXT: 'foo and bar'
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; CHECK-NEXT: }
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; Each node gets a new number. Bottom-up traversal of nodes.
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!named = !{!6}
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; CHECK-NEXT: <NODE op0=1/>
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!4 = !{!"named"}
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; CHECK-NEXT: <NODE op0=2/>
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!5 = !{!"named and foo"}
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; CHECK-NEXT: <NODE op0=1 op1=4 op2=5/>
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!6 = !{!"named", !4, !5}
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; CHECK-NEXT: <NODE op0=3/>
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!7 = !{!"foo and bar"}
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; CHECK-NOT: <NODE
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; CHECK: </METADATA_BLOCK
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; Look at metadata local to @foo, starting with strings.
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; CHECK: <FUNCTION_BLOCK
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; CHECK: <METADATA_BLOCK
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; CHECK-NEXT: <STRINGS
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; CHECK-SAME: /> num-strings = 1 {
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; CHECK-NEXT: 'foo'
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; CHECK-NEXT: }
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; Function-local nodes start at 9 (strings at 8).
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; CHECK-NEXT: <NODE op0=8/>
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!109 = !{!"foo"}
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; CHECK-NEXT: <NODE op0=8 op1=3 op2=9 op3=7 op4=5/>
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!110 = !{!"foo", !"foo and bar", !109, !7, !5}
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; CHECK-NEXT: </METADATA_BLOCK
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define void @foo() !foo !110 {
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unreachable
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}
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; Look at metadata local to @bar, starting with strings.
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; CHECK: <FUNCTION_BLOCK
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; CHECK: <METADATA_BLOCK
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; CHECK-NEXT: <STRINGS
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; CHECK-SAME: /> num-strings = 1 {
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; CHECK-NEXT: 'bar'
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; CHECK-NEXT: }
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; Function-local nodes start at 9 (strings at 8).
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; CHECK-NEXT: <NODE op0=8/>
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!209 = !{!"bar"}
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; CHECK-NEXT: <NODE op0=8 op1=3 op2=9 op3=7/>
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!210 = !{!"bar", !"foo and bar", !209, !7}
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; CHECK-NEXT: </METADATA_BLOCK
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define void @bar() {
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unreachable, !bar !210
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}
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