llvm-6502/test/CodeGen/XCore/2011-08-01-DynamicAllocBug.ll
Richard Osborne 8f9c5cca4f 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

21 lines
478 B
LLVM

; 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