105 lines
3.0 KiB
LLVM
105 lines
3.0 KiB
LLVM
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; RUN: llc < %s -mtriple=aarch64-w64-mingw32 | FileCheck %s
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; RUN: llc < %s -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel* \
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; RUN: -mtriple=aarch64-w64-mingw32 2>&1| FileCheck %s --check-prefixes=GISEL,FALLBACK
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@var = external local_unnamed_addr global i32, align 4
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@dsolocalvar = external dso_local local_unnamed_addr global i32, align 4
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@localvar = dso_local local_unnamed_addr global i32 0, align 4
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@localcommon = common dso_local local_unnamed_addr global i32 0, align 4
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@extvar = external dllimport local_unnamed_addr global i32, align 4
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define dso_local i32 @getVar() {
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; CHECK-LABEL: getVar:
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; CHECK: adrp x8, .refptr.var
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; CHECK: ldr x8, [x8, :lo12:.refptr.var]
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; CHECK: ldr w0, [x8]
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; CHECK: ret
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entry:
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%0 = load i32, i32* @var, align 4
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ret i32 %0
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}
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define dso_local i32 @getDsoLocalVar() {
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; CHECK-LABEL: getDsoLocalVar:
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; CHECK: adrp x8, dsolocalvar
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; CHECK: ldr w0, [x8, :lo12:dsolocalvar]
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; CHECK: ret
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entry:
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%0 = load i32, i32* @dsolocalvar, align 4
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ret i32 %0
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}
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define dso_local i32 @getLocalVar() {
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; CHECK-LABEL: getLocalVar:
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; CHECK: adrp x8, localvar
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; CHECK: ldr w0, [x8, :lo12:localvar]
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; CHECK: ret
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entry:
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%0 = load i32, i32* @localvar, align 4
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ret i32 %0
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}
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define dso_local i32 @getLocalCommon() {
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; CHECK-LABEL: getLocalCommon:
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; CHECK: adrp x8, localcommon
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; CHECK: ldr w0, [x8, :lo12:localcommon]
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; CHECK: ret
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entry:
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%0 = load i32, i32* @localcommon, align 4
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ret i32 %0
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}
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define dso_local i32 @getExtVar() {
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; CHECK-LABEL: getExtVar:
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; CHECK: adrp x8, __imp_extvar
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; CHECK: ldr x8, [x8, :lo12:__imp_extvar]
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; CHECK: ldr w0, [x8]
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; CHECK: ret
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entry:
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%0 = load i32, i32* @extvar, align 4
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ret i32 %0
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}
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define dso_local void @callFunc() {
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; CHECK-LABEL: callFunc:
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; CHECK: b otherFunc
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entry:
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tail call void @otherFunc()
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ret void
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}
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declare dso_local void @otherFunc()
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; FALLBACK-NOT: remark:{{.*}}sspFunc
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define dso_local void @sspFunc() #0 {
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; CHECK-LABEL: sspFunc:
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; CHECK: adrp x8, .refptr.__stack_chk_guard
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; CHECK: ldr x8, [x8, :lo12:.refptr.__stack_chk_guard]
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; CHECK: ldr x8, [x8]
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; GISEL-LABEL: sspFunc:
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; GISEL: adrp x8, .refptr.__stack_chk_guard
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; GISEL: ldr x8, [x8, :lo12:.refptr.__stack_chk_guard]
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; GISEL: ldr x8, [x8]
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entry:
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%c = alloca i8, align 1
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call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %c)
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call void @ptrUser(i8* nonnull %c)
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call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %c)
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ret void
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}
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
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declare dso_local void @ptrUser(i8*) local_unnamed_addr #2
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
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attributes #0 = { sspstrong }
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; CHECK: .section .rdata$.refptr.__stack_chk_guard,"dr",discard,.refptr.__stack_chk_guard
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; CHECK: .globl .refptr.__stack_chk_guard
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; CHECK: .refptr.__stack_chk_guard:
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; CHECK: .xword __stack_chk_guard
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; CHECK: .section .rdata$.refptr.var,"dr",discard,.refptr.var
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; CHECK: .globl .refptr.var
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; CHECK: .refptr.var:
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; CHECK: .xword var
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