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Add support for PC-relative non-extern relocations to RuntimeDyldMachO.

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Also replaces testcase for r180790 (support for absolute non-externs relocs)
with a more robust version.

<rdar://problem/15864721>



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200404 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames 2014-01-29 18:31:35 +00:00
parent 2bd8350187
commit b492843e53
2 changed files with 18 additions and 6 deletions
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2
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
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@ -382,6 +382,8 @@ void RuntimeDyldMachO::processRelocationRef(unsigned SectionID,
uint64_t Addr;
Sec.getAddress(Addr);
Value.Addend = Addend - Addr;
if (IsPCRel)
Value.Addend += Offset + NumBytes;
}
if (Arch == Triple::x86_64 && (RelType == MachO::X86_64_RELOC_GOT ||

22
test/ExecutionEngine/MCJIT/non-extern-addend.ll
View File

@ -1,12 +1,22 @@
; RUN: %lli_mcjit %s > /dev/null
; RUN: %lli_mcjit -code-model=small %s > /dev/null
define i32 @foo(i32 %X, i32 %Y, double %A) {
%cond212 = fcmp ueq double %A, 2.000000e+00 ; <i1> [#uses=1]
%cast110 = zext i1 %cond212 to i32 ; <i32> [#uses=1]
ret i32 %cast110
define i32 @foo(i32 %x, i32 %y, double %d) {
entry:
%d.int64 = bitcast double %d to i64
%d.top64 = lshr i64 %d.int64, 32
%d.top = trunc i64 %d.top64 to i32
%d.bottom = trunc i64 %d.int64 to i32
%topCorrect = icmp eq i32 %d.top, 3735928559
%bottomCorrect = icmp eq i32 %d.bottom, 4277009102
%right = and i1 %topCorrect, %bottomCorrect
%nRight = xor i1 %right, true
%retVal = zext i1 %nRight to i32
ret i32 %retVal
}
define i32 @main() {
%reg212 = call i32 @foo( i32 0, i32 1, double 1.000000e+00 ) ; <i32> [#uses=1]
ret i32 %reg212
entry:
%call = call i32 @foo(i32 0, i32 1, double 0xDEADBEEFFEEDFACE)
ret i32 %call
}