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-rw-r--r--test/CodeGen/AArch64/basic-pic.ll70
1 files changed, 70 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/basic-pic.ll b/test/CodeGen/AArch64/basic-pic.ll
new file mode 100644
index 0000000000..da94041c95
--- /dev/null
+++ b/test/CodeGen/AArch64/basic-pic.ll
@@ -0,0 +1,70 @@
+; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -relocation-model=pic %s -o - | FileCheck %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -relocation-model=pic -filetype=obj %s -o -| llvm-objdump -r - | FileCheck --check-prefix=CHECK-ELF %s
+
+@var = global i32 0
+
+; CHECK-ELF: RELOCATION RECORDS FOR [.text]
+
+define i32 @get_globalvar() {
+; CHECK: get_globalvar:
+
+ %val = load i32* @var
+; CHECK: adrp x[[GOTHI:[0-9]+]], :got:var
+; CHECK: ldr x[[GOTLOC:[0-9]+]], [x[[GOTHI]], #:got_lo12:var]
+; CHECK: ldr w0, [x[[GOTLOC]]]
+
+; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE var
+; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC var
+ ret i32 %val
+}
+
+define i32* @get_globalvaraddr() {
+; CHECK: get_globalvaraddr:
+
+ %val = load i32* @var
+; CHECK: adrp x[[GOTHI:[0-9]+]], :got:var
+; CHECK: ldr x0, [x[[GOTHI]], #:got_lo12:var]
+
+; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE var
+; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC var
+ ret i32* @var
+}
+
+@hiddenvar = hidden global i32 0
+
+define i32 @get_hiddenvar() {
+; CHECK: get_hiddenvar:
+
+ %val = load i32* @hiddenvar
+; CHECK: adrp x[[HI:[0-9]+]], hiddenvar
+; CHECK: ldr w0, [x[[HI]], #:lo12:hiddenvar]
+
+; CHECK-ELF: R_AARCH64_ADR_PREL_PG_HI21 hiddenvar
+; CHECK-ELF: R_AARCH64_LDST32_ABS_LO12_NC hiddenvar
+ ret i32 %val
+}
+
+define i32* @get_hiddenvaraddr() {
+; CHECK: get_hiddenvaraddr:
+
+ %val = load i32* @hiddenvar
+; CHECK: adrp [[HI:x[0-9]+]], hiddenvar
+; CHECK: add x0, [[HI]], #:lo12:hiddenvar
+
+; CHECK-ELF: R_AARCH64_ADR_PREL_PG_HI21 hiddenvar
+; CHECK-ELF: R_AARCH64_ADD_ABS_LO12_NC hiddenvar
+ ret i32* @hiddenvar
+}
+
+define void()* @get_func() {
+; CHECK: get_func:
+
+ ret void()* bitcast(void()*()* @get_func to void()*)
+; CHECK: adrp x[[GOTHI:[0-9]+]], :got:get_func
+; CHECK: ldr x0, [x[[GOTHI]], #:got_lo12:get_func]
+
+ ; Particularly important that the ADRP gets a relocation, LLVM tends to think
+ ; it can relax it because it knows where get_func is. It can't!
+; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE get_func
+; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC get_func
+} \ No newline at end of file