[PATCH] D111277: [SCCP] Properly report changes when changing a pointer argument
Arthur Eubanks via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Oct 11 13:12:19 PDT 2021
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGfbddf22ef72d: [SCCP] Properly report changes when changing a pointer argument (authored by aeubanks).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D111277/new/
https://reviews.llvm.org/D111277
Files:
llvm/lib/Transforms/Scalar/SCCP.cpp
llvm/test/Transforms/SCCP/report-changed.ll
Index: llvm/test/Transforms/SCCP/report-changed.ll
===================================================================
--- /dev/null
+++ llvm/test/Transforms/SCCP/report-changed.ll
@@ -0,0 +1,34 @@
+; RUN: opt -passes='require<no-op-module>,ipsccp' -disable-output < %s 2>&1 -debug-pass-manager | FileCheck %s
+
+; CHECK: Invalidating {{.*}} NoOpModuleAnalysis
+
+define i16 @main() {
+entry:
+ %call10 = call i16 @test_local_fp3(i16 undef)
+ ret i16 0
+}
+
+declare i16 (i16, i16)* @add_fp2()
+
+define internal i16 (i16, i16)* ()* @add_fp3() {
+entry:
+ ret i16 (i16, i16)* ()* @add_fp2
+}
+
+define internal i16 @test_local_fp3(i16 %tnr) {
+entry:
+ %tnr.addr = alloca i16, align 1
+ %call10 = call i16 @apply_fp3_local(i16 (i16, i16)* ()* ()* @add_fp3, i16 181, i16 16384)
+ %0 = load i16, i16* %tnr.addr, align 1
+ ret i16 %0
+}
+
+define internal i16 @apply_fp3_local(i16 (i16, i16)* ()* ()* %fp, i16 %p1, i16 %p2) {
+entry:
+ %fp.addr = alloca i16 (i16, i16)* ()* ()*, align 1
+ store i16 (i16, i16)* ()* ()* %fp, i16 (i16, i16)* ()* ()** %fp.addr, align 1
+ %0 = load i16 (i16, i16)* ()* ()*, i16 (i16, i16)* ()* ()** %fp.addr, align 1
+ %call = call i16 (i16, i16)* ()* %0()
+ %call2 = call i16 undef(i16 undef, i16 undef)
+ ret i16 %call2
+}
Index: llvm/lib/Transforms/Scalar/SCCP.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/SCCP.cpp
+++ llvm/lib/Transforms/Scalar/SCCP.cpp
@@ -500,6 +500,7 @@
CB->removeFnAttrs(AttributesToRemove);
}
}
+ MadeChanges |= ReplacedPointerArg;
}
SmallPtrSet<Value *, 32> InsertedValues;
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