The instcombiner should canonicalize comparisons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11899 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 27 insertions, 0 deletions

diff --git a/test/Transforms/InstCombine/canonicalize_branch.ll b/test/Transforms/InstCombine/canonicalize_branch.ll
new file mode 100644
index 0000000000..dbf3ab2058
--- /dev/null
+++ b/test/Transforms/InstCombine/canonicalize_branch.ll
@@ -0,0 +1,27 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep 'setne\|setle\|setge'
+
+int %test1(uint %X, uint %Y) {
+	%C = setne uint %X, %Y
+	br bool %C, label %T, label %F
+T:
+	ret int 12
+F:
+	ret int 123
+}
+
+int %test2(uint %X, uint %Y) {
+	%C = setle uint %X, %Y
+	br bool %C, label %T, label %F
+T:
+	ret int 12
+F:
+	ret int 123
+}
+int %test3(uint %X, uint %Y) {
+	%C = setge uint %X, %Y
+	br bool %C, label %T, label %F
+T:
+	ret int 12
+F:
+	ret int 123
+}