llvm-for-llvmta/test/CodeGen/PowerPC/aa-tbaa.ll

42 lines
1.2 KiB
LLVM

; RUN: llc -verify-machineinstrs -enable-misched -misched=shuffle -enable-aa-sched-mi -use-tbaa-in-sched-mi=0 -post-RA-scheduler=0 -mcpu=ppc64 < %s | FileCheck %s
; REQUIRES: asserts
; -misched=shuffle is NDEBUG only!
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
%"class.llvm::MCOperand" = type { i8, %union.anon.110 }
%union.anon.110 = type { i64 }
define void @foo(i32 %v) {
entry:
%MCOp = alloca %"class.llvm::MCOperand", align 8
br label %next
; CHECK-LABEL: @foo
next:
%sunkaddr18 = ptrtoint %"class.llvm::MCOperand"* %MCOp to i64
%sunkaddr19 = add i64 %sunkaddr18, 8
%sunkaddr20 = inttoptr i64 %sunkaddr19 to double*
store double 0.000000e+00, double* %sunkaddr20, align 8, !tbaa !1
%sunkaddr21 = ptrtoint %"class.llvm::MCOperand"* %MCOp to i64
%sunkaddr22 = add i64 %sunkaddr21, 8
%sunkaddr23 = inttoptr i64 %sunkaddr22 to i32*
store i32 %v, i32* %sunkaddr23, align 8, !tbaa !2
ret void
; Make sure that the 64-bit store comes first, regardless of what TBAA says
; about the two not aliasing!
; CHECK: li [[REG:[0-9]+]], 0
; CHECK: std [[REG]], -[[OFF:[0-9]+]](1)
; CHECK: stw 3, -[[OFF]](1)
; CHECK: blr
}
!0 = !{ !"root" }
!1 = !{ !"set1", !0 }
!2 = !{ !"set2", !0 }