[llvm-commits] [llvm] r123427 - in /llvm/trunk: lib/Target/X86/X86FastISel.cpp test/CodeGen/X86/fast-isel-gep.ll

[Chris Lattner]

Author: lattner
Date: Thu Jan 13 22:24:28 2011
New Revision: 123427

URL: http://llvm.org/viewvc/llvm-project?rev=123427&view=rev
Log:
reapply r123414 now that the botz are calmed down and the fix is already in.

Modified:
    llvm/trunk/lib/Target/X86/X86FastISel.cpp
    llvm/trunk/test/CodeGen/X86/fast-isel-gep.ll

Modified: llvm/trunk/lib/Target/X86/X86FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FastISel.cpp?rev=123427&r1=123426&r2=123427&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86FastISel.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FastISel.cpp Thu Jan 13 22:24:28 2011
@@ -1933,7 +1933,7 @@
     XII.foldMemoryOperandImpl(*FuncInfo.MF, MI, OpNo, AddrOps, Size, Alignment);
   if (Result == 0) return false;
 
-  MI->getParent()->insert(MI, Result);
+  FuncInfo.MBB->insert(FuncInfo.InsertPt, Result);
   MI->eraseFromParent();
   return true;
 }

Modified: llvm/trunk/test/CodeGen/X86/fast-isel-gep.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/fast-isel-gep.ll?rev=123427&r1=123426&r2=123427&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/fast-isel-gep.ll (original)
+++ llvm/trunk/test/CodeGen/X86/fast-isel-gep.ll Thu Jan 13 22:24:28 2011
@@ -70,3 +70,20 @@
 ; X64: test4:
 ; X64: 128(%r{{.*}},%r{{.*}},8)
 }
+
+; PR8961 - Make sure the sext for the GEP addressing comes before the load that
+; is folded.
+define i64 @test5(i8* %A, i32 %I, i64 %B) nounwind {
+  %v8 = getelementptr i8* %A, i32 %I
+  %v9 = bitcast i8* %v8 to i64*
+  %v10 = load i64* %v9
+  %v11 = add i64 %B, %v10
+  ret i64 %v11
+; X64: test5:
+; X64: movslq	%esi, %rax
+; X64-NEXT: movq	(%rdi,%rax), %rax
+; X64-NEXT: addq	%rdx, %rax
+; X64-NEXT: ret
+}
+
+