xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/mmx-copy-gprs.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-linux   | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-win32   | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86 -mattr=-sse2 | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; This test should use GPRs to copy the mmx value, not MMX regs.  Using mmx regs,
7*9880d681SAndroid Build Coastguard Worker; increases the places that need to use emms.
8*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: %mm
9*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: emms
10*9880d681SAndroid Build Coastguard Worker; rdar://5741668
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerdefine void @foo(<1 x i64>* %x, <1 x i64>* %y) nounwind  {
13*9880d681SAndroid Build Coastguard Workerentry:
14*9880d681SAndroid Build Coastguard Worker	%tmp1 = load <1 x i64>, <1 x i64>* %y, align 8		; <<1 x i64>> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker	store <1 x i64> %tmp1, <1 x i64>* %x, align 8
16*9880d681SAndroid Build Coastguard Worker	ret void
17*9880d681SAndroid Build Coastguard Worker}
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