mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-12 15:05:06 +00:00
ca6fd009ad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128680 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.1 KiB
LLVM
42 lines
1.1 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv6-apple-darwin | FileCheck %s
|
|
; RUN: llc < %s -mtriple=thumbv6-apple-darwin -regalloc=basic | FileCheck %s
|
|
; rdar://8819685
|
|
|
|
@__bar = external hidden global i8*
|
|
@__baz = external hidden global i8*
|
|
|
|
define i8* @_foo() {
|
|
entry:
|
|
; CHECK: foo:
|
|
|
|
%size = alloca i32, align 4
|
|
%0 = load i8** @__bar, align 4
|
|
%1 = icmp eq i8* %0, null
|
|
br i1 %1, label %bb1, label %bb3
|
|
; CHECK: bne
|
|
|
|
bb1:
|
|
store i32 1026, i32* %size, align 4
|
|
%2 = alloca [1026 x i8], align 1
|
|
; CHECK: mov [[R0:r[0-9]+]], sp
|
|
; CHECK: adds {{r[0-9]+}}, [[R0]], {{r[0-9]+}}
|
|
%3 = getelementptr inbounds [1026 x i8]* %2, i32 0, i32 0
|
|
%4 = call i32 @_called_func(i8* %3, i32* %size) nounwind
|
|
%5 = icmp eq i32 %4, 0
|
|
br i1 %5, label %bb2, label %bb3
|
|
|
|
bb2:
|
|
%6 = call i8* @strdup(i8* %3) nounwind
|
|
store i8* %6, i8** @__baz, align 4
|
|
br label %bb3
|
|
|
|
bb3:
|
|
%.0 = phi i8* [ %0, %entry ], [ %6, %bb2 ], [ %3, %bb1 ]
|
|
; CHECK: subs r4, #5
|
|
; CHECK-NEXT: mov sp, r4
|
|
; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
|
|
ret i8* %.0
|
|
}
|
|
|
|
declare noalias i8* @strdup(i8* nocapture) nounwind
|
|
declare i32 @_called_func(i8*, i32*) nounwind |