diff options
Diffstat (limited to 'test/CodeGen/X86/sse_reload_fold.ll')
| -rw-r--r-- | test/CodeGen/X86/sse_reload_fold.ll | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/test/CodeGen/X86/sse_reload_fold.ll b/test/CodeGen/X86/sse_reload_fold.ll index 02399c4995..a57fa588f0 100644 --- a/test/CodeGen/X86/sse_reload_fold.ll +++ b/test/CodeGen/X86/sse_reload_fold.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -mtriple=x86_64-linux -mattr=+64bit,+sse3 -print-failed-fuse-candidates |& FileCheck %s +; RUN: llc < %s -mtriple=x86_64-linux -mattr=+64bit,+sse3 -print-failed-fuse-candidates -regalloc=basic |& FileCheck %s ; CHECK: fail ; CHECK-NOT: fail @@ -117,7 +117,16 @@ define <2 x double> @d8(<2 x double> %f) { ret <2 x double> %t } -; This one should fail to fuse. +; This one should fail to fuse, but -regalloc=greedy isn't even trying. Instead +; it produces: +; callq test_vd +; movapd (%rsp), %xmm1 # 16-byte Reload +; hsubpd %xmm0, %xmm1 +; movapd %xmm1, %xmm0 +; addq $24, %rsp +; ret +; RABasic still tries to fold this one. + define <2 x double> @z0(<2 x double> %f) { %y = call <2 x double> @test_vd(<2 x double> %f) %t = call <2 x double> @llvm.x86.sse3.hsub.pd(<2 x double> %f, <2 x double> %y) |