new lsr testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35971 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/lsr-code-insertion.ll b/test/CodeGen/ARM/lsr-code-insertion.ll
new file mode 100644
index 0000000..baa8cdd
--- /dev/null
+++ b/test/CodeGen/ARM/lsr-code-insertion.ll
@@ -0,0 +1,60 @@
+; RUN: llvm-as < %s | llc -stats 2>&1 | grep '40.*Number of machine instrs printed'
+; This test really wants to check that the resultant "cond_true" block only has a single
+; store in it, and that cond_true55 only has code to materialize the constant and do
+; a store. We do *not* want something like this:
+;
+;LBB1_3: @cond_true
+; add r8, r0, r6
+; str r10, [r8, #+4]
+;
+
+target triple = "arm-apple-darwin8"
+
+define void @foo(i32* %mc, i32* %mpp, i32* %ip, i32* %dpp, i32* %tpmm, i32 %M, i32* %tpim, i32* %tpdm, i32* %bp, i32* %ms, i32 %xmb) {
+entry:
+ %tmp6584 = icmp slt i32 %M, 1 ; <i1> [#uses=1]
+ br i1 %tmp6584, label %return, label %bb
+
+bb: ; preds = %cond_next59, %entry
+ %indvar = phi i32 [ 0, %entry ], [ %k.069.0, %cond_next59 ] ; <i32> [#uses=6]
+ %k.069.0 = add i32 %indvar, 1 ; <i32> [#uses=3]
+ %tmp3 = getelementptr i32* %mpp, i32 %indvar ; <i32*> [#uses=1]
+ %tmp4 = load i32* %tmp3 ; <i32> [#uses=1]
+ %tmp8 = getelementptr i32* %tpmm, i32 %indvar ; <i32*> [#uses=1]
+ %tmp9 = load i32* %tmp8 ; <i32> [#uses=1]
+ %tmp10 = add i32 %tmp9, %tmp4 ; <i32> [#uses=2]
+ %tmp13 = getelementptr i32* %mc, i32 %k.069.0 ; <i32*> [#uses=5]
+ store i32 %tmp10, i32* %tmp13
+ %tmp17 = getelementptr i32* %ip, i32 %indvar ; <i32*> [#uses=1]
+ %tmp18 = load i32* %tmp17 ; <i32> [#uses=1]
+ %tmp22 = getelementptr i32* %tpim, i32 %indvar ; <i32*> [#uses=1]
+ %tmp23 = load i32* %tmp22 ; <i32> [#uses=1]
+ %tmp24 = add i32 %tmp23, %tmp18 ; <i32> [#uses=2]
+ %tmp30 = icmp sgt i32 %tmp24, %tmp10 ; <i1> [#uses=1]
+ br i1 %tmp30, label %cond_true, label %cond_next
+
+cond_true: ; preds = %bb
+ store i32 %tmp24, i32* %tmp13
+ br label %cond_next
+
+cond_next: ; preds = %cond_true, %bb
+ %tmp39 = load i32* %tmp13 ; <i32> [#uses=1]
+ %tmp42 = getelementptr i32* %ms, i32 %k.069.0 ; <i32*> [#uses=1]
+ %tmp43 = load i32* %tmp42 ; <i32> [#uses=1]
+ %tmp44 = add i32 %tmp43, %tmp39 ; <i32> [#uses=2]
+ store i32 %tmp44, i32* %tmp13
+ %tmp52 = icmp slt i32 %tmp44, -987654321 ; <i1> [#uses=1]
+ br i1 %tmp52, label %cond_true55, label %cond_next59
+
+cond_true55: ; preds = %cond_next
+ store i32 -987654321, i32* %tmp13
+ br label %cond_next59
+
+cond_next59: ; preds = %cond_true55, %cond_next
+ %tmp61 = add i32 %indvar, 2 ; <i32> [#uses=1]
+ %tmp65 = icmp sgt i32 %tmp61, %M ; <i1> [#uses=1]
+ br i1 %tmp65, label %return, label %bb
+
+return: ; preds = %cond_next59, %entry
+ ret void
+}