llvm-6502/test/CodeGen/MSP430/2009-08-25-DynamicStackAlloc.ll
Anton Korobeynikov 379a087cc7 Provide dynamic_stackalloc lowering for MSP430.
This fixes PR4769

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80001 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25 17:00:23 +00:00

31 lines
982 B
LLVM

; RUN: llvm-as < %s | llc
; PR4769
target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
target triple = "msp430-generic-generic"
define i16 @foo() nounwind readnone {
entry:
%result = alloca i16, align 1 ; <i16*> [#uses=2]
volatile store i16 0, i16* %result
%tmp = volatile load i16* %result ; <i16> [#uses=1]
ret i16 %tmp
}
define i16 @main() nounwind {
entry:
br label %while.cond
while.cond: ; preds = %while.cond, %entry
%call = call i16 @bar() nounwind ; <i16> [#uses=1]
%tobool = icmp eq i16 %call, 0 ; <i1> [#uses=1]
br i1 %tobool, label %while.end, label %while.cond
while.end: ; preds = %while.cond
%result.i = alloca i16, align 1 ; <i16*> [#uses=2]
volatile store i16 0, i16* %result.i
%tmp.i = volatile load i16* %result.i ; <i16> [#uses=0]
ret i16 0
}
declare i16 @bar()