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Fix code emission for conditional branches.

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Patch by Collin Winter!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70898 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2009-05-04 19:10:38 +00:00
parent fe095f39e7
commit cffb5284f1
2 changed files with 30 additions and 2 deletions
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4
lib/Target/CppBackend/CPPBackend.cpp
View File

@@ -1092,9 +1092,9 @@ namespace {
const BranchInst* br = cast<BranchInst>(I); const BranchInst* br = cast<BranchInst>(I);
Out << "BranchInst::Create(" ; Out << "BranchInst::Create(" ;
if (br->getNumOperands() == 3 ) { if (br->getNumOperands() == 3 ) {
Out << opNames[0] << ", " Out << opNames[2] << ", "
<< opNames[1] << ", " << opNames[1] << ", "
<< opNames[2] << ", "; << opNames[0] << ", ";
} else if (br->getNumOperands() == 1) { } else if (br->getNumOperands() == 1) {
Out << opNames[0] << ", "; Out << opNames[0] << ", ";

28
test/CodeGen/CPP/2009-05-04-CondBr.ll Normal file
View File

@@ -0,0 +1,28 @@
; RUN: llvm-as < %s | llc -march=cpp -cppgen=program -f -o %t
; RUN: grep "BranchInst::Create(label_if_then, label_if_end, int1_cmp, label_entry);" %t
define i32 @some_func(i32 %a) nounwind {
entry:
%retval = alloca i32 ; <i32*> [#uses=2]
%a.addr = alloca i32 ; <i32*> [#uses=8]
store i32 %a, i32* %a.addr
%tmp = load i32* %a.addr ; <i32> [#uses=1]
%inc = add i32 %tmp, 1 ; <i32> [#uses=1]
store i32 %inc, i32* %a.addr
%tmp1 = load i32* %a.addr ; <i32> [#uses=1]
%cmp = icmp slt i32 %tmp1, 3 ; <i1> [#uses=1]
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
store i32 7, i32* %a.addr
br label %if.end
if.end: ; preds = %if.then, %entry
%tmp2 = load i32* %a.addr ; <i32> [#uses=1]
%inc3 = add i32 %tmp2, 1 ; <i32> [#uses=1]
store i32 %inc3, i32* %a.addr
%tmp4 = load i32* %a.addr ; <i32> [#uses=1]
store i32 %tmp4, i32* %retval
%0 = load i32* %retval ; <i32> [#uses=1]
ret i32 %0
}