summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/InstCombine/JavaCompare.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/Transforms/InstCombine/JavaCompare.ll')
-rw-r--r--llvm/test/Transforms/InstCombine/JavaCompare.ll14
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/JavaCompare.ll b/llvm/test/Transforms/InstCombine/JavaCompare.ll
new file mode 100644
index 00000000000..8c1f307c79c
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/JavaCompare.ll
@@ -0,0 +1,14 @@
+; This is the sequence of stuff that the Java front-end expands for a single
+; <= comparison. Check to make sure we turn it into a <= (only)
+
+; RUN: opt < %s -instcombine -S | grep "icmp sle i32 %A, %B"
+
+define i1 @le(i32 %A, i32 %B) {
+ %c1 = icmp sgt i32 %A, %B ; <i1> [#uses=1]
+ %tmp = select i1 %c1, i32 1, i32 0 ; <i32> [#uses=1]
+ %c2 = icmp slt i32 %A, %B ; <i1> [#uses=1]
+ %result = select i1 %c2, i32 -1, i32 %tmp ; <i32> [#uses=1]
+ %c3 = icmp sle i32 %result, 0 ; <i1> [#uses=1]
+ ret i1 %c3
+}
+
OpenPOWER on IntegriCloud