llvm-6502/test/CodeGen/XCore/2011-08-01-DynamicAllocBug.ll

; RUN: llc < %s -march=xcore | FileCheck %s

declare void @g()
declare i8* @llvm.stacksave() nounwind
declare void @llvm.stackrestore(i8*) nounwind

define void @f(i32** %p, i32 %size) {
allocas:
  %0 = call i8* @llvm.stacksave()
  %a = alloca i32, i32 %size
  store i32* %a, i32** %p
  call void @g()
  call void @llvm.stackrestore(i8* %0)
  ret void
}
; CHECK: f:
; CHECK: ldaw [[REGISTER:r[0-9]+]], {{r[0-9]+}}[-r1]
; CHECK: set sp, [[REGISTER]]
; CHECK: extsp 1
; CHECK: bl g
Add Uses=[SP] to call instructions. This fixes a miscompilation with a variable sized alloca. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138433 91177308-0d34-0410-b5e6-96231b3b80d8 2011-08-24 13:32:43 +00:00			`; RUN: llc < %s -march=xcore \| FileCheck %s`

			`declare void @g()`
			`declare i8* @llvm.stacksave() nounwind`
			`declare void @llvm.stackrestore(i8*) nounwind`

			`define void @f(i32** %p, i32 %size) {`
			`allocas:`
			`%0 = call i8* @llvm.stacksave()`
			`%a = alloca i32, i32 %size`
			`store i32* %a, i32** %p`
			`call void @g()`
			`call void @llvm.stackrestore(i8* %0)`
			`ret void`
			`}`
			`; CHECK: f:`
			`; CHECK: ldaw [[REGISTER:r[0-9]+]], {{r[0-9]+}}[-r1]`
			`; CHECK: set sp, [[REGISTER]]`
FileCheck hygiene. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147580 91177308-0d34-0410-b5e6-96231b3b80d8 2012-01-05 00:43:34 +00:00			`; CHECK: extsp 1`
			`; CHECK: bl g`