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-rw-r--r--test/Transforms/IndVarSimplify/max-pointer.ll145
1 files changed, 145 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/max-pointer.ll b/test/Transforms/IndVarSimplify/max-pointer.ll
new file mode 100644
index 0000000..ba2b2fa
--- /dev/null
+++ b/test/Transforms/IndVarSimplify/max-pointer.ll
@@ -0,0 +1,145 @@
+; RUN: llvm-as < %s | opt -indvars | llvm-dis > %t
+; RUN: grep {icmp ugt i8\\\*} %t | count 1
+; RUN: grep {icmp sgt i8\\\*} %t | count 1
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+
+ %struct.CKenCodeCodec = type <{ i8 }>
+
+define void @foo(i8* %str1Ptr, i8* %str2Ptr, i8* %inLastBytePtr) nounwind {
+entry:
+ %0 = icmp ult i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
+ %str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
+ br label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
+ %1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
+ %2 = icmp ult i8* %1, %inLastBytePtr ; <i1> [#uses=0]
+ br i1 false, label %bb2, label %return
+
+return: ; preds = %bb2
+ ret void
+}
+
+define void @bar(i8* %str1Ptr, i64 %s, i8* %inLastBytePtr) nounwind {
+entry:
+ %str2Ptr = inttoptr i64 %s to i8*
+ %0 = icmp ult i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
+ %str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
+ br label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
+ %1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
+ %2 = icmp ult i8* %1, %inLastBytePtr ; <i1> [#uses=0]
+ br i1 false, label %bb2, label %return
+
+return: ; preds = %bb2
+ ret void
+}
+
+define void @qux(i64 %t, i64 %s, i8* %inLastBytePtr) nounwind {
+entry:
+ %str1Ptr = inttoptr i64 %t to i8*
+ %str2Ptr = inttoptr i64 %s to i8*
+ %0 = icmp ult i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
+ %str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
+ br label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
+ %1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
+ %2 = icmp ult i8* %1, %inLastBytePtr ; <i1> [#uses=0]
+ br i1 false, label %bb2, label %return
+
+return: ; preds = %bb2
+ ret void
+}
+
+define void @vor(i64 %t, i8* %str2Ptr, i8* %inLastBytePtr) nounwind {
+entry:
+ %str1Ptr = inttoptr i64 %t to i8*
+ %0 = icmp ult i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
+ %str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
+ br label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
+ %1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
+ %2 = icmp ult i8* %1, %inLastBytePtr ; <i1> [#uses=0]
+ br i1 false, label %bb2, label %return
+
+return: ; preds = %bb2
+ ret void
+}
+
+define void @sfoo(i8* %str1Ptr, i8* %str2Ptr, i8* %inLastBytePtr) nounwind {
+entry:
+ %0 = icmp slt i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
+ %str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
+ br label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
+ %1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
+ %2 = icmp slt i8* %1, %inLastBytePtr ; <i1> [#uses=0]
+ br i1 false, label %bb2, label %return
+
+return: ; preds = %bb2
+ ret void
+}
+
+define void @sbar(i8* %str1Ptr, i64 %s, i8* %inLastBytePtr) nounwind {
+entry:
+ %str2Ptr = inttoptr i64 %s to i8*
+ %0 = icmp slt i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
+ %str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
+ br label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
+ %1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
+ %2 = icmp slt i8* %1, %inLastBytePtr ; <i1> [#uses=0]
+ br i1 false, label %bb2, label %return
+
+return: ; preds = %bb2
+ ret void
+}
+
+define void @squx(i64 %t, i64 %s, i8* %inLastBytePtr) nounwind {
+entry:
+ %str1Ptr = inttoptr i64 %t to i8*
+ %str2Ptr = inttoptr i64 %s to i8*
+ %0 = icmp slt i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
+ %str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
+ br label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
+ %1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
+ %2 = icmp slt i8* %1, %inLastBytePtr ; <i1> [#uses=0]
+ br i1 false, label %bb2, label %return
+
+return: ; preds = %bb2
+ ret void
+}
+
+define void @svor(i64 %t, i8* %str2Ptr, i8* %inLastBytePtr) nounwind {
+entry:
+ %str1Ptr = inttoptr i64 %t to i8*
+ %0 = icmp slt i8* %str2Ptr, %str1Ptr ; <i1> [#uses=1]
+ %str2Ptr_addr.0 = select i1 %0, i8* %str1Ptr, i8* %str2Ptr ; <i8*> [#uses=1]
+ br label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %str2Ptr_addr.1 = phi i8* [ %str2Ptr_addr.0, %entry ], [ %1, %bb2 ] ; <i8*> [#uses=1]
+ %1 = getelementptr i8* %str2Ptr_addr.1, i64 1 ; <i8*> [#uses=2]
+ %2 = icmp slt i8* %1, %inLastBytePtr ; <i1> [#uses=0]
+ br i1 false, label %bb2, label %return
+
+return: ; preds = %bb2
+ ret void
+}
+
+
generated by cgit v1.1 at 2024-12-23 18:15:14 +0000