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Run dead type elimination after dead argument elimination. 

llvm-svn: 105552
This commit is contained in:
Dan Gohman 2010-06-07 20:28:37 +00:00
parent fb8ed43349
commit fa9ad13002
2 changed files with 8 additions and 3 deletions
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8
llvm/test/BugPoint/remove_arguments_test.ll
View File

@ -2,12 +2,16 @@
; RUN: llvm-dis remove_arguments_test.ll.tmp-reduced-simplified.bc -o - | FileCheck %s ; RUN: llvm-dis remove_arguments_test.ll.tmp-reduced-simplified.bc -o - | FileCheck %s
; Test to make sure that arguments are removed from the function if they are ; Test to make sure that arguments are removed from the function if they are
; unnecessary. ; unnecessary. And clean up any types that that frees up too.
; CHECK: target triple
; CHECK-NOT: struct.anon
%struct.anon = type { i32 }
declare i32 @test2() declare i32 @test2()
; CHECK: define void @test() { ; CHECK: define void @test() {
define i32 @test(i32 %A, i32 %B, float %C) { define i32 @test(i32 %A, %struct.anon* %B, float %C) {
call i32 @test2() call i32 @test2()
ret i32 %1 ret i32 %1
} }

3
llvm/tools/bugpoint/ExtractFunction.cpp
View File

@ -116,13 +116,14 @@ Module *BugDriver::performFinalCleanups(Module *M, bool MayModifySemantics) {
std::vector<const PassInfo*> CleanupPasses; std::vector<const PassInfo*> CleanupPasses;
CleanupPasses.push_back(getPI(createGlobalDCEPass())); CleanupPasses.push_back(getPI(createGlobalDCEPass()));
CleanupPasses.push_back(getPI(createDeadTypeEliminationPass()));
if (MayModifySemantics) if (MayModifySemantics)
CleanupPasses.push_back(getPI(createDeadArgHackingPass())); CleanupPasses.push_back(getPI(createDeadArgHackingPass()));
else else
CleanupPasses.push_back(getPI(createDeadArgEliminationPass())); CleanupPasses.push_back(getPI(createDeadArgEliminationPass()));
CleanupPasses.push_back(getPI(createDeadTypeEliminationPass()));
Module *New = runPassesOn(M, CleanupPasses); Module *New = runPassesOn(M, CleanupPasses);
if (New == 0) { if (New == 0) {
errs() << "Final cleanups failed. Sorry. :( Please report a bug!\n"; errs() << "Final cleanups failed. Sorry. :( Please report a bug!\n";