llvm/test/CodeGen/Hexagon/packetize-return-arg.ll
Krzysztof Parzyszek 7fd3acfecb [Hexagon] Packetize return value setup with the return instruction
Commit r279241 unintentionally reverted that ability.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279526 91177308-0d34-0410-b5e6-96231b3b80d8
2016-08-23 16:01:01 +00:00

38 lines
1.1 KiB
LLVM

; RUN: llc -march=hexagon < %s | FileCheck %s
; Check that "r0 = rN" is packetized together with dealloc_return.
; CHECK: r0 = r
; CHECK-NOT: {
; CHECK: dealloc_return
target triple = "hexagon-unknown--elf"
; Function Attrs: nounwind
define i8* @fred(i8* %user_context, i32 %x) #0 {
entry:
%and14 = add i32 %x, 255
%add1 = and i32 %and14, -128
%call = tail call i8* @malloc(i32 %add1) #1
%cmp = icmp eq i8* %call, null
br i1 %cmp, label %cleanup, label %if.end
if.end: ; preds = %entry
%0 = ptrtoint i8* %call to i32
%sub4 = add i32 %0, 131
%and5 = and i32 %sub4, -128
%1 = inttoptr i32 %and5 to i8*
%2 = inttoptr i32 %and5 to i8**
%arrayidx = getelementptr inbounds i8*, i8** %2, i32 -1
store i8* %call, i8** %arrayidx, align 4
br label %cleanup
cleanup: ; preds = %if.end, %entry
%retval.0 = phi i8* [ %1, %if.end ], [ null, %entry ]
ret i8* %retval.0
}
; Function Attrs: nounwind
declare noalias i8* @malloc(i32) local_unnamed_addr #1
attributes #0 = { nounwind }
attributes #1 = { nobuiltin nounwind }