aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAnton Korobeynikov <asl@math.spbu.ru>2009-08-28 23:41:26 +0000
committerAnton Korobeynikov <asl@math.spbu.ru>2009-08-28 23:41:26 +0000
commit44e0a6cee931258a05b190f9e6e411a6d276c96a (patch)
tree8ee4004fabb270920bd60e6c68b32dfa1ac9b288
parent15e723d2c6021bbeacad9baa9c0d946d4a19867e (diff)
downloadexternal_llvm-44e0a6cee931258a05b190f9e6e411a6d276c96a.zip
external_llvm-44e0a6cee931258a05b190f9e6e411a6d276c96a.tar.gz
external_llvm-44e0a6cee931258a05b190f9e6e411a6d276c96a.tar.bz2
Add missed extract_element pattern
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80408 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/ARM/ARMInstrNEON.td4
-rw-r--r--test/CodeGen/ARM/2009-08-29-ExtractEltf32.ll25
2 files changed, 28 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index d473fa7..6775591 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -284,7 +284,7 @@ def DSubReg_f64_reg : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant(5 + N->getZExtValue(), MVT::i32);
}]>;
-// Extract S sub-registers of Q registers.
+// Extract S sub-registers of Q/D registers.
// (arm_ssubreg_0 is 1; arm_ssubreg_1 is 2; etc.)
def SSubReg_f32_reg : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant(1 + N->getZExtValue(), MVT::i32);
@@ -1672,6 +1672,8 @@ def : Pat<(extractelt (v4i32 QPR:$src), imm:$lane),
(VGETLNi32 (v2i32 (EXTRACT_SUBREG QPR:$src,
(DSubReg_i32_reg imm:$lane))),
(SubReg_i32_lane imm:$lane))>;
+def : Pat<(extractelt (v2f32 DPR:$src1), imm:$src2),
+ (EXTRACT_SUBREG DPR:$src1, (SSubReg_f32_reg imm:$src2))>;
def : Pat<(extractelt (v4f32 QPR:$src1), imm:$src2),
(EXTRACT_SUBREG QPR:$src1, (SSubReg_f32_reg imm:$src2))>;
//def : Pat<(extractelt (v2i64 QPR:$src1), imm:$src2),
diff --git a/test/CodeGen/ARM/2009-08-29-ExtractEltf32.ll b/test/CodeGen/ARM/2009-08-29-ExtractEltf32.ll
new file mode 100644
index 0000000..4a044a5
--- /dev/null
+++ b/test/CodeGen/ARM/2009-08-29-ExtractEltf32.ll
@@ -0,0 +1,25 @@
+; RUN: llvm-as < %s | llc -mattr=+neon
+target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
+target triple = "thumbv7-elf"
+
+define arm_apcscc void @foo() nounwind {
+entry:
+ %0 = tail call <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float> undef, <2 x float> undef) nounwind ; <<2 x float>> [#uses=1]
+ %tmp28 = extractelement <2 x float> %0, i32 0 ; <float> [#uses=1]
+ %1 = fcmp une float %tmp28, 4.900000e+01 ; <i1> [#uses=1]
+ br i1 %1, label %bb, label %bb7
+
+bb: ; preds = %entry
+ unreachable
+
+bb7: ; preds = %entry
+ br i1 undef, label %bb8, label %bb9
+
+bb8: ; preds = %bb7
+ unreachable
+
+bb9: ; preds = %bb7
+ ret void
+}
+
+declare <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float>, <2 x float>) nounwind readnone