llvm/test/CodeGen/X86/constant-pool-sharing.ll
Dan Gohman 83f6120c9a Allow constants of different types to share constant pool entries
if they have compatible encodings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85359 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28 01:12:16 +00:00

20 lines
621 B
LLVM

; RUN: llc < %s -march=x86-64 | FileCheck %s
; llc should share constant pool entries between this integer vector
; and this floating-point vector since they have the same encoding.
; CHECK: LCPI1_0(%rip), %xmm0
; CHECK: movaps %xmm0, (%rdi)
; CHECK: movaps %xmm0, (%rsi)
define void @foo(<4 x i32>* %p, <4 x float>* %q, i1 %t) nounwind {
entry:
br label %loop
loop:
store <4 x i32><i32 1073741824, i32 1073741824, i32 1073741824, i32 1073741824>, <4 x i32>* %p
store <4 x float><float 2.0, float 2.0, float 2.0, float 2.0>, <4 x float>* %q
br i1 %t, label %loop, label %ret
ret:
ret void
}