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8be96b95c4
There was an alias between 'simplifycfg' and 'simplify-cfg' in the PassRegistry. That was the original reason for this patch, which effectively removes the alias. This patch also replaces all occurrances of 'simplify-cfg' by 'simplifycfg'. Reason for choosing that form for the name is that it matches the DEBUG_TYPE for the pass, and the legacy PM name and also how it is spelled out in other passes such as 'loop-simplifycfg', and in other options such as 'simplifycfg-merge-cond-stores'. I for some reason the name should be changed to 'simplify-cfg' in the future, then I think such a renaming should be more widely done and not only impacting the PassRegistry. Reviewed By: aeubanks Differential Revision: https://reviews.llvm.org/D105627
55 lines
1.2 KiB
LLVM
55 lines
1.2 KiB
LLVM
; Test that patterns of transformations which disconnect a region of the call
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; graph mid-traversal and then invalidate it function correctly.
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;
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; RUN: opt -S -passes='cgscc(inline,function(simplifycfg))' < %s | FileCheck %s
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define internal void @test_scc_internal(i1 %flag) {
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; CHECK-NOT: @test_scc_internal
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entry:
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br i1 %flag, label %then, label %else
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then:
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call void @test_scc_internal(i1 false)
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call void @test_scc_external()
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br label %else
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else:
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ret void
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}
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define void @test_scc_external() {
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; CHECK-LABEL: define void @test_scc_external()
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entry:
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call void @test_scc_internal(i1 false)
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ret void
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}
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define internal void @test_refscc_internal(i1 %flag, i8* %ptr) {
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; CHECK-NOT: @test_refscc_internal
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entry:
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br i1 %flag, label %then, label %else
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then:
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call void @test_refscc_internal(i1 false, i8* bitcast (i8* ()* @test_refscc_external to i8*))
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br label %else
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else:
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ret void
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}
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define i8* @test_refscc_external() {
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; CHECK-LABEL: define i8* @test_refscc_external()
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entry:
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br i1 true, label %then, label %else
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i8* null
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; CHECK-NEXT: }
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; CHECK-NOT: @test_refscc_internal
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then:
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ret i8* null
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else:
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ret i8* bitcast (void (i1, i8*)* @test_refscc_internal to i8*)
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}
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