[Hexagon] Use A2_tfrsi for constant pool and jump table addresses

[oota-llvm.git] / test / CodeGen / AArch64 / extern-weak.ll

diff --git a/test/CodeGen/AArch64/extern-weak.ll b/test/CodeGen/AArch64/extern-weak.ll
index f358243bc6ff25edb5fb0d33dd5398aceb46c825..2203c0c4e698f013c7545ee97801d2a11ae33485 100644 (file)
--- a/test/CodeGen/AArch64/extern-weak.ll
+++ b/test/CodeGen/AArch64/extern-weak.ll
@@ -1,27 +1,71 @@
-; RUN: llc -mtriple=aarch64-none-linux-gnu -o - < %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=static -o - < %s | FileCheck --check-prefix=CHECK-STATIC %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -code-model=large -o - %s | FileCheck --check-prefix=CHECK-LARGE %s
 
 declare extern_weak i32 @var()
 
 define i32()* @foo() {
 ; The usual ADRP/ADD pair can't be used for a weak reference because it must
-; evaluate to 0 if the symbol is undefined. We use a litpool entry.
+; evaluate to 0 if the symbol is undefined. We use a GOT entry for PIC
+; otherwise a litpool entry.
   ret i32()* @var
-; CHECK: .LCPI0_0:
-; CHECK-NEXT: .xword var
 
-; CHECK: ldr x0, [{{x[0-9]+}}, #:lo12:.LCPI0_0]
 
+; CHECK: adrp x[[ADDRHI:[0-9]+]], :got:var
+; CHECK: ldr x0, [x[[ADDRHI]], :got_lo12:var]
+
+; CHECK-STATIC: .LCPI0_0:
+; CHECK-STATIC-NEXT: .xword  var
+; CHECK-STATIC: adrp x[[VAR:[0-9]+]], .LCPI0_0
+; CHECK-STATIC: ldr x0, [x[[VAR]], :lo12:.LCPI0_0]
+
+  ; In the large model, the usual relocations are absolute and can
+  ; materialise 0.
+; CHECK-LARGE: movz x0, #:abs_g3:var
+; CHECK-LARGE: movk x0, #:abs_g2_nc:var
+; CHECK-LARGE: movk x0, #:abs_g1_nc:var
+; CHECK-LARGE: movk x0, #:abs_g0_nc:var
 }
 
 
 @arr_var = extern_weak global [10 x i32]
 
 define i32* @bar() {
-  %addr = getelementptr [10 x i32]* @arr_var, i32 0, i32 5
-; CHECK: .LCPI1_0:
-; CHECK-NEXT: .xword arr_var
+  %addr = getelementptr [10 x i32], [10 x i32]* @arr_var, i32 0, i32 5
 
-; CHECK: ldr [[BASE:x[0-9]+]], [{{x[0-9]+}}, #:lo12:.LCPI1_0]
+
+; CHECK: adrp x[[ADDRHI:[0-9]+]], :got:arr_var
+; CHECK: ldr [[BASE:x[0-9]+]], [x[[ADDRHI]], :got_lo12:arr_var]
 ; CHECK: add x0, [[BASE]], #20
+
+; CHECK-STATIC: .LCPI1_0:
+; CHECK-STATIC-NEXT: .xword arr_var
+; CHECK-STATIC: ldr [[BASE:x[0-9]+]], [{{x[0-9]+}}, :lo12:.LCPI1_0]
+; CHECK-STATIC: add x0, [[BASE]], #20
+
   ret i32* %addr
-}
\ No newline at end of file
+
+  ; In the large model, the usual relocations are absolute and can
+  ; materialise 0.
+; CHECK-LARGE: movz [[ADDR:x[0-9]+]], #:abs_g3:arr_var
+; CHECK-LARGE: movk [[ADDR]], #:abs_g2_nc:arr_var
+; CHECK-LARGE: movk [[ADDR]], #:abs_g1_nc:arr_var
+; CHECK-LARGE: movk [[ADDR]], #:abs_g0_nc:arr_var
+}
+
+@defined_weak_var = internal unnamed_addr global i32 0
+
+define i32* @wibble() {
+  ret i32* @defined_weak_var
+
+; CHECK: adrp [[BASE:x[0-9]+]], defined_weak_var
+; CHECK: add x0, [[BASE]], :lo12:defined_weak_var
+
+; CHECK-STATIC: adrp [[BASE:x[0-9]+]], defined_weak_var
+; CHECK-STATIC: add x0, [[BASE]], :lo12:defined_weak_var
+
+; CHECK-LARGE: movz x0, #:abs_g3:defined_weak_var
+; CHECK-LARGE: movk x0, #:abs_g2_nc:defined_weak_var
+; CHECK-LARGE: movk x0, #:abs_g1_nc:defined_weak_var
+; CHECK-LARGE: movk x0, #:abs_g0_nc:defined_weak_var
+}