Vendor import of llvm trunk r130700:

http://llvm.org/svn/llvm-project/llvm/trunk@130700

1 files changed, 27 insertions, 0 deletions

diff --git a/test/Transforms/InstCombine/ExtractCast.ll b/test/Transforms/InstCombine/ExtractCast.ll
new file mode 100644
index 0000000..5ebbefd
--- /dev/null
+++ b/test/Transforms/InstCombine/ExtractCast.ll
@@ -0,0 +1,27 @@
+; RUN: opt < %s -instcombine -S -o - | FileCheck %s
+
+; CHECK: @a
+define i32 @a(<4 x i64> %I) {
+entry:
+; CHECK-NOT: trunc <4 x i64>
+        %J = trunc <4 x i64> %I to <4 x i32>
+        %K = extractelement <4 x i32> %J, i32 3
+; CHECK: extractelement <4 x i64>
+; CHECK: trunc i64
+; CHECK: ret
+        ret i32 %K
+}
+
+
+; CHECK: @b
+define i32 @b(<4 x float> %I) {
+entry:
+; CHECK-NOT: fptosi <4 x float>
+        %J = fptosi <4 x float> %I to <4 x i32>
+        %K = extractelement <4 x i32> %J, i32 3
+; CHECK: extractelement <4 x float>
+; CHECK: fptosi float
+; CHECK: ret
+        ret i32 %K
+}
+