From cffb5284f12afdfa5ba9cb6dbddcf0699ec11d84 Mon Sep 17 00:00:00 2001
From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Mon, 4 May 2009 19:10:38 +0000
Subject: [PATCH] Fix code emission for conditional branches. Patch by Collin
 Winter!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70898 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/CppBackend/CPPBackend.cpp  |  4 ++--
 test/CodeGen/CPP/2009-05-04-CondBr.ll | 28 +++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 test/CodeGen/CPP/2009-05-04-CondBr.ll

diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index 6adb73ae259..bf9c885f37b 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -1092,9 +1092,9 @@ namespace {
       const BranchInst* br = cast<BranchInst>(I);
       Out << "BranchInst::Create(" ;
       if (br->getNumOperands() == 3 ) {
-        Out << opNames[0] << ", "
+        Out << opNames[2] << ", "
             << opNames[1] << ", "
-            << opNames[2] << ", ";
+            << opNames[0] << ", ";
 
       } else if (br->getNumOperands() == 1) {
         Out << opNames[0] << ", ";
diff --git a/test/CodeGen/CPP/2009-05-04-CondBr.ll b/test/CodeGen/CPP/2009-05-04-CondBr.ll
new file mode 100644
index 00000000000..6c3f984282c
--- /dev/null
+++ b/test/CodeGen/CPP/2009-05-04-CondBr.ll
@@ -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
+}
-- 
2.34.1