llvm/test/CodeGen/X86/movgs.ll
Chris Lattner 08bad54baf fix rdar://8453210, a crash handling a call through a GS relative load.
For now, just disable folding the load into the call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114386 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-21 03:37:00 +00:00

36 lines
895 B
LLVM

; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=X64
define i32 @test1() nounwind readonly {
entry:
%tmp = load i32* addrspace(256)* getelementptr (i32* addrspace(256)* inttoptr (i32 72 to i32* addrspace(256)*), i32 31) ; <i32*> [#uses=1]
%tmp1 = load i32* %tmp ; <i32> [#uses=1]
ret i32 %tmp1
}
; X32: test1:
; X32: movl %gs:196, %eax
; X32: movl (%eax), %eax
; X32: ret
; X64: test1:
; X64: movq %gs:320, %rax
; X64: movl (%rax), %eax
; X64: ret
define i64 @test2(void (i8*)* addrspace(256)* %tmp8) nounwind {
entry:
%tmp9 = load void (i8*)* addrspace(256)* %tmp8, align 8
tail call void %tmp9(i8* undef) nounwind optsize
ret i64 0
}
; rdar://8453210
; X32: test2:
; X32: movl %gs:(%eax), %eax
; X32: movl %eax, (%esp)
; X32: call *%eax
; X64: test2:
; X64: movq %gs:(%rdi), %rax
; X64: callq *%rax