Reapply "[GVN] memoryssa implies no-memdep (#149473)" #149767
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Enabling one of MemorySSA or MD implies the other is off.
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@llvm/pr-subscribers-llvm-transforms Author: Madhur Amilkanthwar (madhur13490) ChangesEnabling one of MemorySSA or MD implies the other is off. Already approved in #149473 but I had to revert as I missed updating one test. Full diff: https://github.com/llvm/llvm-project/pull/149767.diff 12 Files Affected:
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp
index 80fb52f9603e8..e15570c3f600e 100644
--- a/llvm/lib/Passes/PassBuilder.cpp
+++ b/llvm/lib/Passes/PassBuilder.cpp
@@ -1189,9 +1189,13 @@ Expected<GVNOptions> parseGVNOptions(StringRef Params) {
} else if (ParamName == "split-backedge-load-pre") {
Result.setLoadPRESplitBackedge(Enable);
} else if (ParamName == "memdep") {
+ // MemDep and MemorySSA are mutually exclusive.
Result.setMemDep(Enable);
+ Result.setMemorySSA(!Enable);
} else if (ParamName == "memoryssa") {
+ // MemDep and MemorySSA are mutually exclusive.
Result.setMemorySSA(Enable);
+ Result.setMemDep(!Enable);
} else {
return make_error<StringError>(
formatv("invalid GVN pass parameter '{}'", ParamName).str(),
diff --git a/llvm/test/Other/new-pm-print-pipeline.ll b/llvm/test/Other/new-pm-print-pipeline.ll
index db398d68fd426..6fa57f17174e9 100644
--- a/llvm/test/Other/new-pm-print-pipeline.ll
+++ b/llvm/test/Other/new-pm-print-pipeline.ll
@@ -32,7 +32,7 @@
; CHECK-10: function(loop-unroll<O2>,loop-unroll<partial;peeling;runtime;upperbound;profile-peeling;full-unroll-max=5;O1>,loop-unroll<no-partial;no-peeling;no-runtime;no-upperbound;no-profile-peeling;full-unroll-max=7;O1>)
; RUN: opt -disable-output -disable-verify -print-pipeline-passes -passes='function(gvn<>,gvn<pre;load-pre;split-backedge-load-pre;memdep;memoryssa>,gvn<no-pre;no-load-pre;no-split-backedge-load-pre;no-memdep;no-memoryssa>)' < %s | FileCheck %s --match-full-lines --check-prefixes=CHECK-11
-; CHECK-11: function(gvn<>,gvn<pre;load-pre;split-backedge-load-pre;memdep;memoryssa>,gvn<no-pre;no-load-pre;no-split-backedge-load-pre;no-memdep;no-memoryssa>)
+; CHECK-11: function(gvn<>,gvn<pre;load-pre;split-backedge-load-pre;no-memdep;memoryssa>,gvn<no-pre;no-load-pre;no-split-backedge-load-pre;memdep;no-memoryssa>)
; RUN: opt -disable-output -disable-verify -print-pipeline-passes -passes='function(early-cse<>,early-cse<memssa>)' < %s | FileCheck %s --match-full-lines --check-prefixes=CHECK-12
; CHECK-12: function(early-cse<>,early-cse<memssa>)
diff --git a/llvm/test/Transforms/GVN/assume.ll b/llvm/test/Transforms/GVN/assume.ll
index 1498aa4fa7b0b..5d3a23b158879 100644
--- a/llvm/test/Transforms/GVN/assume.ll
+++ b/llvm/test/Transforms/GVN/assume.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=gvn -verify-analysis-invalidation -S | FileCheck --check-prefixes=CHECK,MDEP %s
-; RUN: opt < %s -passes='gvn<memoryssa;no-memdep>' -verify-analysis-invalidation -S | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt < %s -passes='gvn<memoryssa>' -verify-analysis-invalidation -S | FileCheck --check-prefixes=CHECK,MSSA %s
declare void @llvm.assume(i1)
declare void @use(i1)
diff --git a/llvm/test/Transforms/GVN/basic.ll b/llvm/test/Transforms/GVN/basic.ll
index c1a358af903f4..2e360aac60a91 100644
--- a/llvm/test/Transforms/GVN/basic.ll
+++ b/llvm/test/Transforms/GVN/basic.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -passes=gvn -S | FileCheck %s --check-prefixes=CHECK,MDEP
-; RUN: opt < %s -passes='gvn<memoryssa;no-memdep>' -S | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt < %s -passes='gvn<memoryssa>' -S | FileCheck --check-prefixes=CHECK,MSSA %s
define i32 @main() {
; CHECK-LABEL: define i32 @main() {
diff --git a/llvm/test/Transforms/GVN/nonescaping.ll b/llvm/test/Transforms/GVN/nonescaping.ll
index 29137556f14de..0866a27b249f5 100644
--- a/llvm/test/Transforms/GVN/nonescaping.ll
+++ b/llvm/test/Transforms/GVN/nonescaping.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -passes=gvn 2>&1 | FileCheck %s --check-prefixes=CHECK,MDEP
-; RUN: opt < %s -S -passes='gvn<memoryssa;no-memdep>' 2>&1 | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt < %s -S -passes='gvn<memoryssa>' 2>&1 | FileCheck --check-prefixes=CHECK,MSSA %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
diff --git a/llvm/test/Transforms/GVN/phi.ll b/llvm/test/Transforms/GVN/phi.ll
index 5b607f7559c1b..a0207cfde1a16 100644
--- a/llvm/test/Transforms/GVN/phi.ll
+++ b/llvm/test/Transforms/GVN/phi.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=gvn < %s | FileCheck --check-prefixes=CHECK,MDEP %s
-; RUN: opt -S -passes='gvn<memoryssa;no-memdep>' < %s | FileCheck %s
+; RUN: opt -S -passes='gvn<memoryssa>' < %s | FileCheck %s
define i64 @test1(i1 %c, i64 %a, i64 %b) {
diff --git a/llvm/test/Transforms/GVN/pr14166.ll b/llvm/test/Transforms/GVN/pr14166.ll
index bbc8c89ddaa63..6e23bdcf30053 100644
--- a/llvm/test/Transforms/GVN/pr14166.ll
+++ b/llvm/test/Transforms/GVN/pr14166.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -disable-basic-aa -passes=gvn -S < %s | FileCheck %s --check-prefixes=CHECK,MDEP
-; RUN: opt -disable-basic-aa -passes='gvn<memoryssa;no-memdep>' -S < %s | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt -disable-basic-aa -passes='gvn<memoryssa>' -S < %s | FileCheck --check-prefixes=CHECK,MSSA %s
target datalayout = "e-p:32:32:32"
define <2 x i32> @test1() {
; MDEP-LABEL: define <2 x i32> @test1() {
diff --git a/llvm/test/Transforms/GVN/pre-compare.ll b/llvm/test/Transforms/GVN/pre-compare.ll
index 574d40dfb71d5..c4f083b5750a2 100644
--- a/llvm/test/Transforms/GVN/pre-compare.ll
+++ b/llvm/test/Transforms/GVN/pre-compare.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes=gvn -S < %s | FileCheck --check-prefixes=CHECK,MDEP %s
-; RUN: opt -passes='gvn<memoryssa;no-memdep>' -S < %s | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt -passes='gvn<memoryssa>' -S < %s | FileCheck --check-prefixes=CHECK,MSSA %s
; C source:
;
diff --git a/llvm/test/Transforms/GVN/readattrs.ll b/llvm/test/Transforms/GVN/readattrs.ll
index be018834014d5..6e02dd36b5749 100644
--- a/llvm/test/Transforms/GVN/readattrs.ll
+++ b/llvm/test/Transforms/GVN/readattrs.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes=gvn -S -o - < %s | FileCheck --check-prefixes=CHECK,MDEP %s
-; RUN: opt -passes='gvn<memoryssa;no-memdep>' -S -o - < %s | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt -passes='gvn<memoryssa>' -S -o - < %s | FileCheck --check-prefixes=CHECK,MSSA %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
diff --git a/llvm/test/Transforms/GVN/setjmp.ll b/llvm/test/Transforms/GVN/setjmp.ll
index 7777038f89cb1..5351878419963 100644
--- a/llvm/test/Transforms/GVN/setjmp.ll
+++ b/llvm/test/Transforms/GVN/setjmp.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=gvn < %s | FileCheck --check-prefixes=CHECK,MDEP %s
-; RUN: opt -S -passes='gvn<memoryssa;no-memdep>' -verify-analysis-invalidation < %s | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt -S -passes='gvn<memoryssa>' -verify-analysis-invalidation < %s | FileCheck --check-prefixes=CHECK,MSSA %s
declare i32 @setjmp() returns_twice
declare void @longjmp()
declare ptr @malloc(i64)
diff --git a/llvm/test/Transforms/GVN/tbaa.ll b/llvm/test/Transforms/GVN/tbaa.ll
index 366dfeca8b758..59ace145b5657 100644
--- a/llvm/test/Transforms/GVN/tbaa.ll
+++ b/llvm/test/Transforms/GVN/tbaa.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes=gvn -S < %s | FileCheck --check-prefixes=CHECK,MDEP %s
-; RUN: opt -passes='gvn<memoryssa;no-memdep>' -S < %s | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt -passes='gvn<memoryssa>' -S < %s | FileCheck --check-prefixes=CHECK,MSSA %s
define i32 @test1(ptr %p, ptr %q) {
; MDEP-LABEL: define i32 @test1(
diff --git a/llvm/test/Transforms/GVN/vscale.ll b/llvm/test/Transforms/GVN/vscale.ll
index 646a67d15d392..5d6c55990a855 100644
--- a/llvm/test/Transforms/GVN/vscale.ll
+++ b/llvm/test/Transforms/GVN/vscale.ll
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S < %s -passes=gvn,dce | FileCheck --check-prefixes=CHECK,MDEP %s
-; RUN: opt -S < %s -passes='gvn<memoryssa;no-memdep>',dce | FileCheck --check-prefixes=CHECK,MSSA %s
+; RUN: opt -S < %s -passes='gvn<memoryssa>',dce | FileCheck --check-prefixes=CHECK,MSSA %s
; Analyze Load from clobbering Load.
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@antoniofrighetto Does the changes in |
antoniofrighetto
changed the title
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@antoniofrighetto Does the changes in
llvm/test/Other/new-pm-print-pipeline.lllook good?
They look good, thanks, feel free to reapply.
This was referenced Jul 23, 2025
mahesh-attarde
pushed a commit
to mahesh-attarde/llvm-project
that referenced
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Jul 28, 2025
Enabling one of MemorySSA or MD implies the other is off. Already approved in llvm#149473 but I had to revert as I missed updating one test.
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Enabling one of MemorySSA or MD implies the other is off.
Already approved in #149473 but I had to revert as I missed updating one test.