[Reassociate] Canonicalize negative constants out of expressions.

[oota-llvm.git] / test / Transforms / Reassociate / shift-factor.ll

diff --git a/test/Transforms/Reassociate/shift-factor.ll b/test/Transforms/Reassociate/shift-factor.ll
index 73af5e5304ee02b81d2931dfc6941b89f8649a84..8fbf1b9d4bc50eab53765e462a2d49a0e4dd8686 100644 (file)
--- a/test/Transforms/Reassociate/shift-factor.ll
+++ b/test/Transforms/Reassociate/shift-factor.ll
@@ -1,12 +1,14 @@
 ; There should be exactly one shift and one add left.
-; RUN: opt < %s -reassociate -instcombine -S > %t
-; RUN: grep shl %t | count 1
-; RUN: grep add %t | count 1
+; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
 
-define i32 @test(i32 %X, i32 %Y) {
-       %tmp.2 = shl i32 %X, 1          ; <i32> [#uses=1]
-       %tmp.6 = shl i32 %Y, 1          ; <i32> [#uses=1]
-       %tmp.4 = add i32 %tmp.6, %tmp.2         ; <i32> [#uses=1]
-       ret i32 %tmp.4
-}
+define i32 @test1(i32 %X, i32 %Y) {
+; CHECK-LABEL: test1
+; CHECK-NEXT: %tmp = add i32 %Y, %X
+; CHECK-NEXT: %tmp1 = shl i32 %tmp, 1
+; CHECK-NEXT: ret i32 %tmp1
 
+  %tmp.2 = shl i32 %X, 1
+  %tmp.6 = shl i32 %Y, 1
+  %tmp.4 = add i32 %tmp.6, %tmp.2
+  ret i32 %tmp.4
+}