llvm-project/llvm/test/CodeGen/X86/movgs.ll

; RUN: llc < %s -march=x86 -mtriple=i386-linux-gnu -mattr=sse41 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-linux -mattr=sse41 | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=x86_64-win32 -mattr=sse41 | 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	{{.*}}(%esp), %eax
; X32: calll	*%gs:(%eax)

; X64: test2:
; X64: callq	*%gs:([[A0:%rdi|%rcx]])




define <2 x i64> @pmovsxwd_1(i64 addrspace(256)* %p) nounwind readonly {
entry:
  %0 = load i64 addrspace(256)* %p
  %tmp2 = insertelement <2 x i64> zeroinitializer, i64 %0, i32 0
  %1 = bitcast <2 x i64> %tmp2 to <8 x i16>
  %2 = tail call <4 x i32> @llvm.x86.sse41.pmovsxwd(<8 x i16> %1) nounwind readnone
  %3 = bitcast <4 x i32> %2 to <2 x i64>
  ret <2 x i64> %3
  
; X32: pmovsxwd_1:
; X32: 	movl	4(%esp), %eax
; X32: 	pmovsxwd	%gs:(%eax), %xmm0
; X32: 	ret

; X64: pmovsxwd_1:
; X64:	pmovsxwd	%gs:([[A0]]), %xmm0
; X64:	ret
}

; The two loads here both look identical to selection DAG, except for their
; address spaces.  Make sure they aren't CSE'd.
define i32 @test_no_cse() 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]
	%tmp2 = load i32* addrspace(257)* getelementptr (i32* addrspace(257)* inttoptr (i32 72 to i32* addrspace(257)*), i32 31)		; <i32*> [#uses=1]
	%tmp3 = load i32* %tmp2		; <i32> [#uses=1]
	%tmp4 = add i32 %tmp1, %tmp3
	ret i32 %tmp4
}
; X32: test_no_cse:
; X32: 	movl	%gs:196
; X32: 	movl	%fs:196
; X32: 	ret

declare <4 x i32> @llvm.x86.sse41.pmovsxwd(<8 x i16>) nounwind readnone