diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 3 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/avx-movdup.ll | 19 |
2 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index a186899d231..b6210e7eb0b 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -8775,6 +8775,9 @@ let Predicates = [HasAVX] in { (VPSHUFDri (COPY_TO_REGCLASS GR64:$src, VR128), 0x44), sub_xmm), (VPSHUFDri (COPY_TO_REGCLASS GR64:$src, VR128), 0x44), 1)>; } + + def : Pat<(v2f64 (X86VBroadcast f64:$src)), + (VMOVDDUPrr (COPY_TO_REGCLASS FR64:$src, VR128))>; } //===----------------------------------------------------------------------===// diff --git a/llvm/test/CodeGen/X86/avx-movdup.ll b/llvm/test/CodeGen/X86/avx-movdup.ll index 42d84def98a..19a03259378 100644 --- a/llvm/test/CodeGen/X86/avx-movdup.ll +++ b/llvm/test/CodeGen/X86/avx-movdup.ll @@ -32,3 +32,22 @@ entry: ret <4 x i64> %1 } +; Check that there is a pattern (v2f64 (X86VBroadcast f64:$src)). + +; CHECK-LABEL: _vbroadcast_v128_f64 +; CHECK: vmovsd LCPI{{[0-9]+}}_0(%rip), %xmm[[R0:[0-9]+]] +; CHECK: vmovddup %xmm[[R0]], %xmm{{[0-9]+}} + +@E1 = external global [5 x double], align 16 +@.str3 = external unnamed_addr constant [44 x i8], align 1 + +define void @vbroadcast_v128_f64() #0 { +entry: + store <2 x double> <double -1.000000e+00, double -1.000000e+00>, <2 x double>* bitcast (double* getelementptr inbounds ([5 x double]* @E1, i64 0, i64 2) to <2 x double>*), align 16 + tail call void @foo1(double -1.000000e+00) + ret void +} + +declare void @foo1(double) + +attributes #0 = { optsize } |
