llvm-for-llvmta/test/CodeGen/X86/frame-base.ll

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2022-04-25 10:02:23 +02:00
; RUN: llc -mtriple=x86_64-apple-macosx -o - %s | FileCheck %s
; The issue here was a conflict between forming a %rip-relative lea and a
; FrameIndex lea. The %rip sanity-checks didn't consider that a base register
; had been set if we'd already matched a FrameIndex, when it has in reality.
@var = global i32 0
define void @test_frame_rip_conflict() {
; CHECK-LABEL: test_frame_rip_conflict:
; CHECK: leaq _var(%rip), [[TMPADDR:%r.*]]
; CHECK: leaq {{-?[0-9]+}}(%rsp,[[TMPADDR]]),
%stackvar = alloca i32
%stackint = ptrtoint i32* %stackvar to i64
%addr = add i64 ptrtoint(i32* @var to i64), %stackint
call void @eat_i64(i64 %addr)
ret void
}
declare void @eat_i64(i64)