Fix a bug in codegenprep where it was losing track of values OptimizeMemoryInst

[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..bc0acc25338817f7add995f0faaad06ee9250fd0 100644 (file)
--- a/test/CodeGen/AArch64/extern-weak.ll
+++ b/test/CodeGen/AArch64/extern-weak.ll
@@ -1,4 +1,5 @@
 ; RUN: llc -mtriple=aarch64-none-linux-gnu -o - < %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -code-model=large -o - < %s | FileCheck --check-prefix=CHECK-LARGE %s
 
 declare extern_weak i32 @var()
 
@@ -11,6 +12,12 @@ define i32()* @foo() {
 
 ; CHECK: ldr x0, [{{x[0-9]+}}, #: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
 }
 
 
@@ -24,4 +31,24 @@ define i32* @bar() {
 ; CHECK: ldr [[BASE:x[0-9]+]], [{{x[0-9]+}}, #:lo12:.LCPI1_0]
 ; CHECK: add x0, [[BASE]], #20
   ret i32* %addr
+
+  ; In the large model, the usual relocations are absolute and can
+  ; materialise 0.
+; CHECK-LARGE: movz x0, #:abs_g3:arr_var
+; CHECK-LARGE: movk x0, #:abs_g2_nc:arr_var
+; CHECK-LARGE: movk x0, #:abs_g1_nc:arr_var
+; CHECK-LARGE: movk x0, #: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-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
 }
\ No newline at end of file