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author | Dan Gohman <gohman@apple.com> | 2009-10-28 01:12:16 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2009-10-28 01:12:16 +0000 |
commit | 83f6120c9a1fe758b2502b060cd7ae9a981ecc39 (patch) | |
tree | ae5144ba98c376557dbaf905aca086bcc1bbf04c /test/CodeGen/X86/constant-pool-sharing.ll | |
parent | c5a75523eff46fe3880b94ae0fd22a1e01c27f28 (diff) | |
download | llvm-83f6120c9a1fe758b2502b060cd7ae9a981ecc39.tar.gz llvm-83f6120c9a1fe758b2502b060cd7ae9a981ecc39.tar.bz2 llvm-83f6120c9a1fe758b2502b060cd7ae9a981ecc39.tar.xz |
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
Diffstat (limited to 'test/CodeGen/X86/constant-pool-sharing.ll')
-rw-r--r-- | test/CodeGen/X86/constant-pool-sharing.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/constant-pool-sharing.ll b/test/CodeGen/X86/constant-pool-sharing.ll new file mode 100644 index 0000000000..c3e97adffb --- /dev/null +++ b/test/CodeGen/X86/constant-pool-sharing.ll @@ -0,0 +1,19 @@ +; 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 +} |