llvm-6502/test/Transforms/IndVarSimplify/max-pointer.ll

40 lines
1.4 KiB
LLVM
Raw Normal View History

; 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 @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
}