llvm-6502/test/CodeGen/ARM/ifcvt7.ll
Jim Grosbach dd11988c99 Properly pseudo-ize the ARM LDMIA_RET instruction. This has the nice side-
effect that we get proper instruction printing using the "pop" mnemonic for it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127502 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-11 22:51:41 +00:00

33 lines
1.3 KiB
LLVM

; RUN: llc < %s -mtriple=armv7-apple-darwin | FileCheck %s
; FIXME: Need post-ifcvt branch folding to get rid of the extra br at end of BB1.
%struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* }
define fastcc i32 @CountTree(%struct.quad_struct* %tree) {
; CHECK: cmpeq
; CHECK: moveq
; CHECK: popeq
entry:
br label %tailrecurse
tailrecurse: ; preds = %bb, %entry
%tmp6 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1]
%tmp9 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=2]
%tmp12 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1]
%tmp14 = icmp eq %struct.quad_struct* null, null ; <i1> [#uses=1]
%tmp17 = icmp eq %struct.quad_struct* %tmp6, null ; <i1> [#uses=1]
%tmp23 = icmp eq %struct.quad_struct* %tmp9, null ; <i1> [#uses=1]
%tmp29 = icmp eq %struct.quad_struct* %tmp12, null ; <i1> [#uses=1]
%bothcond = and i1 %tmp17, %tmp14 ; <i1> [#uses=1]
%bothcond1 = and i1 %bothcond, %tmp23 ; <i1> [#uses=1]
%bothcond2 = and i1 %bothcond1, %tmp29 ; <i1> [#uses=1]
br i1 %bothcond2, label %return, label %bb
bb: ; preds = %tailrecurse
%tmp41 = tail call fastcc i32 @CountTree( %struct.quad_struct* %tmp9 ) ; <i32> [#uses=0]
br label %tailrecurse
return: ; preds = %tailrecurse
ret i32 0
}