Mercurial > hg > CbC > CbC_llvm
diff test/Transforms/IndVarSimplify/lftr-address-space-pointers.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 13:56:28 +0900 |
parents | |
children | 54457678186b |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/Transforms/IndVarSimplify/lftr-address-space-pointers.ll Thu Dec 12 13:56:28 2013 +0900 @@ -0,0 +1,69 @@ +; RUN: opt -S -indvars -o - %s | FileCheck %s +target datalayout = "e-p:32:32:32-p1:64:64:64-p2:8:8:8-p3:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-n8:16:32:64" + +; Derived from ptriv in lftr-reuse.ll +define void @ptriv_as2(i8 addrspace(2)* %base, i32 %n) nounwind { +; CHECK-LABEL: @ptriv_as2( +entry: + %idx.trunc = trunc i32 %n to i8 + %add.ptr = getelementptr inbounds i8 addrspace(2)* %base, i8 %idx.trunc + %cmp1 = icmp ult i8 addrspace(2)* %base, %add.ptr + br i1 %cmp1, label %for.body, label %for.end + +; Make sure the added GEP has the right index type +; CHECK: %lftr.limit = getelementptr i8 addrspace(2)* %base, i8 %0 + +; CHECK: for.body: +; CHECK: phi i8 addrspace(2)* +; CHECK-NOT: phi +; CHECK-NOT: add{{^rspace}} +; CHECK: icmp ne i8 addrspace(2)* +; CHECK: br i1 +for.body: + %p.02 = phi i8 addrspace(2)* [ %base, %entry ], [ %incdec.ptr, %for.body ] + ; cruft to make the IV useful + %sub.ptr.lhs.cast = ptrtoint i8 addrspace(2)* %p.02 to i8 + %sub.ptr.rhs.cast = ptrtoint i8 addrspace(2)* %base to i8 + %sub.ptr.sub = sub i8 %sub.ptr.lhs.cast, %sub.ptr.rhs.cast + store i8 %sub.ptr.sub, i8 addrspace(2)* %p.02 + %incdec.ptr = getelementptr inbounds i8 addrspace(2)* %p.02, i32 1 + %cmp = icmp ult i8 addrspace(2)* %incdec.ptr, %add.ptr + br i1 %cmp, label %for.body, label %for.end + +for.end: + ret void +} + +define void @ptriv_as3(i8 addrspace(3)* %base, i32 %n) nounwind { +; CHECK-LABEL: @ptriv_as3( +entry: + %idx.trunc = trunc i32 %n to i16 + %add.ptr = getelementptr inbounds i8 addrspace(3)* %base, i16 %idx.trunc + %cmp1 = icmp ult i8 addrspace(3)* %base, %add.ptr + br i1 %cmp1, label %for.body, label %for.end + +; Make sure the added GEP has the right index type +; CHECK: %lftr.limit = getelementptr i8 addrspace(3)* %base, i16 %0 + +; CHECK: for.body: +; CHECK: phi i8 addrspace(3)* +; CHECK-NOT: phi +; CHECK-NOT: add{{^rspace}} +; CHECK: icmp ne i8 addrspace(3)* +; CHECK: br i1 +for.body: + %p.02 = phi i8 addrspace(3)* [ %base, %entry ], [ %incdec.ptr, %for.body ] + ; cruft to make the IV useful + %sub.ptr.lhs.cast = ptrtoint i8 addrspace(3)* %p.02 to i16 + %sub.ptr.rhs.cast = ptrtoint i8 addrspace(3)* %base to i16 + %sub.ptr.sub = sub i16 %sub.ptr.lhs.cast, %sub.ptr.rhs.cast + %conv = trunc i16 %sub.ptr.sub to i8 + store i8 %conv, i8 addrspace(3)* %p.02 + %incdec.ptr = getelementptr inbounds i8 addrspace(3)* %p.02, i32 1 + %cmp = icmp ult i8 addrspace(3)* %incdec.ptr, %add.ptr + br i1 %cmp, label %for.body, label %for.end + +for.end: + ret void +} +