1 files changed, 31 insertions, 7 deletions
diff --git a/test/Transforms/DeadStoreElimination/PartialStore.ll b/test/Transforms/DeadStoreElimination/PartialStore.ll
index c97d48169b..a563d8f7a0 100644
--- a/test/Transforms/DeadStoreElimination/PartialStore.ll
+++ b/test/Transforms/DeadStoreElimination/PartialStore.ll
@@ -1,14 +1,38 @@
-; RUN: opt < %s -basicaa -dse -S | \
-; RUN:    not grep {store i8}
+; RUN: opt < %s -basicaa -dse -S | FileCheck %s
+target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
+
 ; Ensure that the dead store is deleted in this case.  It is wholely
 ; overwritten by the second store.
-target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
-define i32 @test() {
-        %V = alloca i32         ; <i32*> [#uses=3]
+define void @test1(i32 *%V) {
         %V2 = bitcast i32* %V to i8*            ; <i8*> [#uses=1]
         store i8 0, i8* %V2
         store i32 1234567, i32* %V
-        %X = load i32* %V               ; <i32> [#uses=1]
-        ret i32 %X
+        ret void
+; CHECK: @test1
+; CHECK-NEXT: store i32 1234567
 }
 
+; Note that we could do better by merging the two stores into one.
+define void @test2(i32* %P) {
+; CHECK: @test2
+  store i32 0, i32* %P
+; CHECK: store i32
+  %Q = bitcast i32* %P to i16*
+  store i16 1, i16* %Q
+; CHECK: store i16
+  ret void
+}
+
+
+define i32 @test3(double %__x) {
+; CHECK: @test3
+; CHECK: store double
+  %__u = alloca { [3 x i32] }
+  %tmp.1 = bitcast { [3 x i32] }* %__u to double*
+  store double %__x, double* %tmp.1
+  %tmp.4 = getelementptr { [3 x i32] }* %__u, i32 0, i32 0, i32 1
+  %tmp.5 = load i32* %tmp.4
+  %tmp.6 = icmp slt i32 %tmp.5, 0
+  %tmp.7 = zext i1 %tmp.6 to i32
+  ret i32 %tmp.7
+}