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more BranchInst tests

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98634 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-03-16 15:53:58 +00:00
parent c613969122
commit abf657f7e6
1 changed files with 15 additions and 0 deletions

15
unittests/VMCore/InstructionsTest.cpp

@ -50,10 +50,17 @@ TEST(InstructionsTest, BranchInst) {
// Mandatory BranchInst
const BranchInst* b0 = BranchInst::Create(bb0);
EXPECT_TRUE(b0->isUnconditional());
EXPECT_FALSE(b0->isConditional());
EXPECT_EQ(b0->getNumSuccessors(), 1U);
// check num operands
EXPECT_EQ(b0->getNumOperands(), 1U);
EXPECT_NE(b0->op_begin(), b0->op_end());
EXPECT_EQ(b0->op_begin() + 1, b0->op_end());
EXPECT_EQ(b0->op_begin() + 1, b0->op_end());
const IntegerType* Int1 = IntegerType::get(C, 1);
Constant* One = ConstantInt::get(Int1, 1, true);
@ -61,6 +68,10 @@ TEST(InstructionsTest, BranchInst) {
// Conditional BranchInst
BranchInst* b1 = BranchInst::Create(bb0, bb1, One);
EXPECT_FALSE(b1->isUnconditional());
EXPECT_TRUE(b1->isConditional());
EXPECT_EQ(b1->getNumSuccessors(), 2U);
// check num operands
EXPECT_EQ(b1->getNumOperands(), 3U);
@ -70,16 +81,19 @@ TEST(InstructionsTest, BranchInst) {
EXPECT_NE(b, b1->op_end());
EXPECT_EQ(*b, One);
EXPECT_EQ(b1->getOperand(0), One);
EXPECT_EQ(b1->getCondition(), One);
++b;
// check ELSE
EXPECT_EQ(*b, bb1);
EXPECT_EQ(b1->getOperand(1), bb1);
EXPECT_EQ(b1->getSuccessor(1), bb1);
++b;
// check THEN
EXPECT_EQ(*b, bb0);
EXPECT_EQ(b1->getOperand(2), bb0);
EXPECT_EQ(b1->getSuccessor(0), bb0);
++b;
EXPECT_EQ(b, b1->op_end());
@ -96,6 +110,7 @@ TEST(InstructionsTest, BranchInst) {
// check THEN
EXPECT_EQ(*c, bb1);
EXPECT_EQ(b1->getOperand(0), bb1);
EXPECT_EQ(b1->getSuccessor(0), bb1);
++c;
EXPECT_EQ(c, b1->op_end());