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Make bugpoint dead-argument-hacking actually work, and actually test it. 

llvm-svn: 105551
This commit is contained in:
Dan Gohman 2010-06-07 20:20:33 +00:00
parent 34a2249fde
commit fb8ed43349
2 changed files with 9 additions and 0 deletions
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7
llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
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@ -120,9 +120,14 @@ namespace {
typedef SmallVector<RetOrArg, 5> UseVector; typedef SmallVector<RetOrArg, 5> UseVector;
protected:
// DAH uses this to specify a different ID.
explicit DAE(void *ID) : ModulePass(ID) {}
public: public:
static char ID; // Pass identification, replacement for typeid static char ID; // Pass identification, replacement for typeid
DAE() : ModulePass(&ID) {} DAE() : ModulePass(&ID) {}
bool runOnModule(Module &M); bool runOnModule(Module &M);
virtual bool ShouldHackArguments() const { return false; } virtual bool ShouldHackArguments() const { return false; }
@ -155,6 +160,8 @@ namespace {
/// by bugpoint. /// by bugpoint.
struct DAH : public DAE { struct DAH : public DAE {
static char ID; static char ID;
DAH() : DAE(&ID) {}
virtual bool ShouldHackArguments() const { return true; } virtual bool ShouldHackArguments() const { return true; }
}; };
} }

2
llvm/test/BugPoint/remove_arguments_test.ll
View File

@ -1,10 +1,12 @@
; RUN: bugpoint %s -output-prefix %t -bugpoint-crashcalls -silence-passes ; RUN: bugpoint %s -output-prefix %t -bugpoint-crashcalls -silence-passes
; 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.
declare i32 @test2() declare i32 @test2()
; CHECK: define void @test() {
define i32 @test(i32 %A, i32 %B, float %C) { define i32 @test(i32 %A, i32 %B, float %C) {
call i32 @test2() call i32 @test2()
ret i32 %1 ret i32 %1