test/CodeGen/X86/fast-isel-gep-sext.ll

; RUN: llc < %s -march=x86-64 -O0 | FileCheck %s --check-prefix=X64
; RUN: llc < %s -march=x86 -O0 | FileCheck %s --check-prefix=X32
; PR3181

; GEP indices are interpreted as signed integers, so they
; should be sign-extended to 64 bits on 64-bit targets.

define i32 @test1(i32 %t3, i32* %t1) nounwind {
       %t9 = getelementptr i32* %t1, i32 %t3           ; <i32*> [#uses=1]
       %t15 = load i32* %t9            ; <i32> [#uses=1]
       ret i32 %t15
; X32: test1:
; X32:  	movl	(%ecx,%eax,4), %eax
; X32:  	ret

; X64: test1:
; X64:  	movslq	%edi, %rax
; X64:  	movl	(%rsi,%rax,4), %eax
; X64:  	ret

}
define i32 @test2(i64 %t3, i32* %t1) nounwind {
       %t9 = getelementptr i32* %t1, i64 %t3           ; <i32*> [#uses=1]
       %t15 = load i32* %t9            ; <i32> [#uses=1]
       ret i32 %t15
; X32: test2:
; X32:  	movl	(%eax,%ecx,4), %eax
; X32:  	ret

; X64: test2:
; X64:  	movl	(%rsi,%rdi,4), %eax
; X64:  	ret
}