GlobalISel: Add another overload of buildUnmerge
It's annoying to have to create an array of the result type,
particularly when you don't care about the size of the value.
llvm-svn: 357763
diff --git a/llvm/unittests/CodeGen/GlobalISel/MachineIRBuilderTest.cpp b/llvm/unittests/CodeGen/GlobalISel/MachineIRBuilderTest.cpp
index d64f574..7817f72 100644
--- a/llvm/unittests/CodeGen/GlobalISel/MachineIRBuilderTest.cpp
+++ b/llvm/unittests/CodeGen/GlobalISel/MachineIRBuilderTest.cpp
@@ -90,3 +90,23 @@
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
+
+TEST_F(GISelMITest, BuildUnmerge) {
+ if (!TM)
+ return;
+
+ SmallVector<unsigned, 4> Copies;
+ collectCopies(Copies, MF);
+ B.buildUnmerge(LLT::scalar(32), Copies[0]);
+ B.buildUnmerge(LLT::scalar(16), Copies[1]);
+
+ auto CheckStr = R"(
+ ; CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY $x0
+ ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
+ ; CHECK: [[UNMERGE32_0:%[0-9]+]]:_(s32), [[UNMERGE32_1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY0]]
+ ; CHECK: [[UNMERGE16_0:%[0-9]+]]:_(s16), [[UNMERGE16_1:%[0-9]+]]:_(s16), [[UNMERGE16_2:%[0-9]+]]:_(s16), [[UNMERGE16_3:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[COPY1]]
+
+ )";
+
+ EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
+}