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authorBob Wilson <bob.wilson@apple.com>2010-12-17 01:21:12 +0000
committerBob Wilson <bob.wilson@apple.com>2010-12-17 01:21:12 +0000
commitbfc6904fc65434ab2216807248918d9dacafe6ee (patch)
treedf3c69b25b034e04cf7c24e21994a2a37f839ee5 /llvm/test/CodeGen/ARM
parent261aad8e169cd93958651be86d4c3bbb654e26c9 (diff)
downloadbcm5719-llvm-bfc6904fc65434ab2216807248918d9dacafe6ee.tar.gz
bcm5719-llvm-bfc6904fc65434ab2216807248918d9dacafe6ee.zip
Fix crash compiling a QQQQ REG_SEQUENCE for a Neon vld3_lane operation.
Radar 8776599 llvm-svn: 122018
Diffstat (limited to 'llvm/test/CodeGen/ARM')
-rw-r--r--llvm/test/CodeGen/ARM/vldlane.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/vldlane.ll b/llvm/test/CodeGen/ARM/vldlane.ll
index fe2a0dc707f..c5514a63fd2 100644
--- a/llvm/test/CodeGen/ARM/vldlane.ll
+++ b/llvm/test/CodeGen/ARM/vldlane.ll
@@ -432,3 +432,22 @@ declare %struct.__neon_float32x2x4_t @llvm.arm.neon.vld4lane.v2f32(i8*, <2 x flo
declare %struct.__neon_int16x8x4_t @llvm.arm.neon.vld4lane.v8i16(i8*, <8 x i16>, <8 x i16>, <8 x i16>, <8 x i16>, i32, i32) nounwind readonly
declare %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4lane.v4i32(i8*, <4 x i32>, <4 x i32>, <4 x i32>, <4 x i32>, i32, i32) nounwind readonly
declare %struct.__neon_float32x4x4_t @llvm.arm.neon.vld4lane.v4f32(i8*, <4 x float>, <4 x float>, <4 x float>, <4 x float>, i32, i32) nounwind readonly
+
+; Radar 8776599: If one of the operands to a QQQQ REG_SEQUENCE is a register
+; in the QPR_VFP2 regclass, it needs to be copied to a QPR regclass because
+; we don't currently have a QQQQ_VFP2 super-regclass. (The "0" for the low
+; part of %ins67 is supposed to be loaded by a VLDRS instruction in this test.)
+define void @test_qqqq_regsequence_subreg([6 x i64] %b) nounwind {
+;CHECK: test_qqqq_regsequence_subreg
+;CHECK: vld3.16
+ %tmp63 = extractvalue [6 x i64] %b, 5
+ %tmp64 = zext i64 %tmp63 to i128
+ %tmp65 = shl i128 %tmp64, 64
+ %ins67 = or i128 %tmp65, 0
+ %tmp78 = bitcast i128 %ins67 to <8 x i16>
+ %vld3_lane = tail call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* undef, <8 x i16> undef, <8 x i16> undef, <8 x i16> %tmp78, i32 1, i32 2)
+ call void @llvm.trap()
+ unreachable
+}
+
+declare void @llvm.trap() nounwind
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