Pre-commit test cases

Author: dianqk

llvm/test/CodeGen/Thumb/asm-fn-weak.ll

@@ -0,0 +1,17 @@
+; RUN: not llc -mtriple=thumbv6m-none-unknown-eabi < %s 2>&1 | FileCheck %s
+
+; CHECK: error: symbol '__aeabi_uidivmod' is already defined
+; FIXME: We want to discard the weak function.
+
+module asm ".global __aeabi_uidivmod"
+module asm ".type __aeabi_uidivmod, %function"
+module asm "__aeabi_uidivmod:"
+module asm "str    r0, [r2, #0x060]"
+module asm "str    r1, [r2, #0x064]"
+
+define weak void @__aeabi_uidivmod() #0 {
+  tail call void asm sideeffect alignstack "push {lr}\0Asub sp, sp, #4\0Amov r2, sp\0Abl __udivmodsi4\0Aldr r1, [sp]\0Aadd sp, sp, #4\0Apop {pc}", "~{cc},~{memory}"()
+  unreachable
+}
+
+attributes #0 = { naked }

llvm/test/CodeGen/Thumb/asm-fn.ll

@@ -0,0 +1,16 @@
+; RUN: not llc -mtriple=thumbv6m-none-unknown-eabi < %s 2>&1 | FileCheck %s
+
+; CHECK: error: symbol '__aeabi_uidivmod' is already defined
+
+module asm ".global __aeabi_uidivmod"
+module asm ".type __aeabi_uidivmod, %function"
+module asm "__aeabi_uidivmod:"
+module asm "str    r0, [r2, #0x060]"
+module asm "str    r1, [r2, #0x064]"
+
+define void @__aeabi_uidivmod() #0 {
+  tail call void asm sideeffect alignstack "push {lr}\0Asub sp, sp, #4\0Amov r2, sp\0Abl __udivmodsi4\0Aldr r1, [sp]\0Aadd sp, sp, #4\0Apop {pc}", "~{cc},~{memory}"()
+  unreachable
+}
+
+attributes #0 = { naked }

llvm/test/CodeGen/Thumb/asm-weak-fn-weak.ll

@@ -0,0 +1,16 @@
+; RUN: not llc -mtriple=thumbv6m-none-unknown-eabi < %s 2>&1 | FileCheck %s
+
+; CHECK: error: symbol '__aeabi_uidivmod' is already defined
+
+module asm ".weak __aeabi_uidivmod"
+module asm ".type __aeabi_uidivmod, %function"
+module asm "__aeabi_uidivmod:"
+module asm "str    r0, [r2, #0x060]"
+module asm "str    r1, [r2, #0x064]"
+
+define weak void @__aeabi_uidivmod() #0 {
+  tail call void asm sideeffect alignstack "push {lr}\0Asub sp, sp, #4\0Amov r2, sp\0Abl __udivmodsi4\0Aldr r1, [sp]\0Aadd sp, sp, #4\0Apop {pc}", "~{cc},~{memory}"()
+  unreachable
+}
+
+attributes #0 = { naked }

llvm/test/CodeGen/Thumb/asm-weak-fn.ll

@@ -0,0 +1,17 @@
+; RUN: not llc -mtriple=thumbv6m-none-unknown-eabi < %s 2>&1 | FileCheck %s
+
+; CHECK: error: symbol '__aeabi_uidivmod' is already defined
+; FIXME: We want to discard the weak asm function.
+
+module asm ".weak __aeabi_uidivmod"
+module asm ".type __aeabi_uidivmod, %function"
+module asm "__aeabi_uidivmod:"
+module asm "str    r0, [r2, #0x060]"
+module asm "str    r1, [r2, #0x064]"
+
+define void @__aeabi_uidivmod() #0 {
+  tail call void asm sideeffect alignstack "push {lr}\0Asub sp, sp, #4\0Amov r2, sp\0Abl __udivmodsi4\0Aldr r1, [sp]\0Aadd sp, sp, #4\0Apop {pc}", "~{cc},~{memory}"()
+  unreachable
+}
+
+attributes #0 = { naked }