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-rw-r--r--test/CodeGen/Mips/msa/2r.ll2
-rw-r--r--test/CodeGen/Mips/msa/2r_vector_scalar.ll3
-rw-r--r--test/CodeGen/Mips/msa/2rf.ll2
-rw-r--r--test/CodeGen/Mips/msa/2rf_exup.ll3
-rw-r--r--test/CodeGen/Mips/msa/2rf_float_int.ll3
-rw-r--r--test/CodeGen/Mips/msa/2rf_fq.ll3
-rw-r--r--test/CodeGen/Mips/msa/2rf_int_float.ll4
-rw-r--r--test/CodeGen/Mips/msa/2rf_tq.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-a.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-b.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-c.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-d.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-i.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-m.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-p.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-s.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r-v.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r_4r.ll3
-rw-r--r--test/CodeGen/Mips/msa/3r_4r_widen.ll4
-rw-r--r--test/CodeGen/Mips/msa/3r_splat.ll3
-rw-r--r--test/CodeGen/Mips/msa/3rf.ll2
-rw-r--r--test/CodeGen/Mips/msa/3rf_4rf.ll3
-rw-r--r--test/CodeGen/Mips/msa/3rf_4rf_q.ll3
-rw-r--r--test/CodeGen/Mips/msa/3rf_exdo.ll3
-rw-r--r--test/CodeGen/Mips/msa/3rf_float_int.ll3
-rw-r--r--test/CodeGen/Mips/msa/3rf_int_float.ll3
-rw-r--r--test/CodeGen/Mips/msa/3rf_q.ll3
-rw-r--r--test/CodeGen/Mips/msa/bit.ll2
-rw-r--r--test/CodeGen/Mips/msa/bitcast.ll2
-rw-r--r--test/CodeGen/Mips/msa/elm_copy.ll3
-rw-r--r--test/CodeGen/Mips/msa/elm_insv.ll4
-rw-r--r--test/CodeGen/Mips/msa/elm_shift_slide.ll3
-rw-r--r--test/CodeGen/Mips/msa/i5-a.ll3
-rw-r--r--test/CodeGen/Mips/msa/i5-b.ll3
-rw-r--r--test/CodeGen/Mips/msa/i5-c.ll3
-rw-r--r--test/CodeGen/Mips/msa/i5-m.ll3
-rw-r--r--test/CodeGen/Mips/msa/i5-s.ll3
-rw-r--r--test/CodeGen/Mips/msa/i8.ll2
-rw-r--r--test/CodeGen/Mips/msa/spill.ll3
-rw-r--r--test/CodeGen/Mips/msa/vec.ll4
40 files changed, 114 insertions, 4 deletions
diff --git a/test/CodeGen/Mips/msa/2r.ll b/test/CodeGen/Mips/msa/2r.ll
index b0061ae..7719b7c 100644
--- a/test/CodeGen/Mips/msa/2r.ll
+++ b/test/CodeGen/Mips/msa/2r.ll
@@ -1,3 +1,5 @@
+; Test the MSA intrinsics that are encoded with the 2R instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_nloc_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/2r_vector_scalar.ll b/test/CodeGen/Mips/msa/2r_vector_scalar.ll
index 9d0765a..e03c9a3 100644
--- a/test/CodeGen/Mips/msa/2r_vector_scalar.ll
+++ b/test/CodeGen/Mips/msa/2r_vector_scalar.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 2R instruction format and
+; convert scalars to vectors.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_fill_b_ARG1 = global i32 23, align 16
diff --git a/test/CodeGen/Mips/msa/2rf.ll b/test/CodeGen/Mips/msa/2rf.ll
index 6283cdf..7437287 100644
--- a/test/CodeGen/Mips/msa/2rf.ll
+++ b/test/CodeGen/Mips/msa/2rf.ll
@@ -1,3 +1,5 @@
+; Test the MSA intrinsics that are encoded with the 2RF instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_flog2_w_ARG1 = global <4 x float> <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/2rf_exup.ll b/test/CodeGen/Mips/msa/2rf_exup.ll
index 54e416d..ca47c95 100644
--- a/test/CodeGen/Mips/msa/2rf_exup.ll
+++ b/test/CodeGen/Mips/msa/2rf_exup.ll
@@ -1,3 +1,6 @@
+; Test the MSA floating point conversion intrinsics (e.g. float->double) that
+; are encoded with the 2RF instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_fexupl_w_ARG1 = global <8 x half> <half 0.000000e+00, half 1.000000e+00, half 2.000000e+00, half 3.000000e+00, half 4.000000e+00, half 5.000000e+00, half 6.000000e+00, half 7.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/2rf_float_int.ll b/test/CodeGen/Mips/msa/2rf_float_int.ll
index 4b2ef22..c76064a 100644
--- a/test/CodeGen/Mips/msa/2rf_float_int.ll
+++ b/test/CodeGen/Mips/msa/2rf_float_int.ll
@@ -1,3 +1,6 @@
+; Test the MSA integer to floating point conversion intrinsics that are encoded
+; with the 2RF instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_ffint_s_w_ARG1 = global <4 x i32> <i32 0, i32 1, i32 2, i32 3>, align 16
diff --git a/test/CodeGen/Mips/msa/2rf_fq.ll b/test/CodeGen/Mips/msa/2rf_fq.ll
index e0f80c0..6808a2a 100644
--- a/test/CodeGen/Mips/msa/2rf_fq.ll
+++ b/test/CodeGen/Mips/msa/2rf_fq.ll
@@ -1,3 +1,6 @@
+; Test the MSA fixed-point to floating point conversion intrinsics that are
+; encoded with the 2RF instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_ffql_w_ARG1 = global <8 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>, align 16
diff --git a/test/CodeGen/Mips/msa/2rf_int_float.ll b/test/CodeGen/Mips/msa/2rf_int_float.ll
index ef5c0c3..b5eaad2 100644
--- a/test/CodeGen/Mips/msa/2rf_int_float.ll
+++ b/test/CodeGen/Mips/msa/2rf_int_float.ll
@@ -1,3 +1,7 @@
+; Test the MSA floating point to integer intrinsics that are encoded with the
+; 2RF instruction format. This includes conversions but other instructions such
+; as fclass are also here.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_fclass_w_ARG1 = global <4 x float> <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/2rf_tq.ll b/test/CodeGen/Mips/msa/2rf_tq.ll
index 190f93c..aa7fc86 100644
--- a/test/CodeGen/Mips/msa/2rf_tq.ll
+++ b/test/CodeGen/Mips/msa/2rf_tq.ll
@@ -1,3 +1,6 @@
+; Test the MSA floating-point to fixed-point conversion intrinsics that are
+; encoded with the 2RF instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_ftq_h_ARG1 = global <4 x float> <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-a.ll b/test/CodeGen/Mips/msa/3r-a.ll
index 3cdeae4..79b8237 100644
--- a/test/CodeGen/Mips/msa/3r-a.ll
+++ b/test/CodeGen/Mips/msa/3r-a.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 'a'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_add_a_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-b.ll b/test/CodeGen/Mips/msa/3r-b.ll
index afcc391..786c71f 100644
--- a/test/CodeGen/Mips/msa/3r-b.ll
+++ b/test/CodeGen/Mips/msa/3r-b.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 'b'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_bclr_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-c.ll b/test/CodeGen/Mips/msa/3r-c.ll
index 5663694..0ad6afb 100644
--- a/test/CodeGen/Mips/msa/3r-c.ll
+++ b/test/CodeGen/Mips/msa/3r-c.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 'c'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_ceq_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-d.ll b/test/CodeGen/Mips/msa/3r-d.ll
index 3b20743..ee94e56 100644
--- a/test/CodeGen/Mips/msa/3r-d.ll
+++ b/test/CodeGen/Mips/msa/3r-d.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 'd'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_div_s_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-i.ll b/test/CodeGen/Mips/msa/3r-i.ll
index b5c6a30..2f9acd1 100644
--- a/test/CodeGen/Mips/msa/3r-i.ll
+++ b/test/CodeGen/Mips/msa/3r-i.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 'i'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_ilvev_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-m.ll b/test/CodeGen/Mips/msa/3r-m.ll
index 7f0cb36..041d603 100644
--- a/test/CodeGen/Mips/msa/3r-m.ll
+++ b/test/CodeGen/Mips/msa/3r-m.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 'm'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_max_a_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-p.ll b/test/CodeGen/Mips/msa/3r-p.ll
index 1386533..f328cad 100644
--- a/test/CodeGen/Mips/msa/3r-p.ll
+++ b/test/CodeGen/Mips/msa/3r-p.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 'p'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_pckev_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-s.ll b/test/CodeGen/Mips/msa/3r-s.ll
index 6c977c6..bcc6ba7 100644
--- a/test/CodeGen/Mips/msa/3r-s.ll
+++ b/test/CodeGen/Mips/msa/3r-s.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 's'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_sld_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r-v.ll b/test/CodeGen/Mips/msa/3r-v.ll
index 5c2ab9b..055491d 100644
--- a/test/CodeGen/Mips/msa/3r-v.ll
+++ b/test/CodeGen/Mips/msa/3r-v.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format.
+; There are lots of these so this covers those beginning with 'v'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_vshf_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r_4r.ll b/test/CodeGen/Mips/msa/3r_4r.ll
index c7d189e..52f3cd3 100644
--- a/test/CodeGen/Mips/msa/3r_4r.ll
+++ b/test/CodeGen/Mips/msa/3r_4r.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format and
+; use the result as a third operand.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_maddv_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3r_4r_widen.ll b/test/CodeGen/Mips/msa/3r_4r_widen.ll
index 891d11a..63592b4 100644
--- a/test/CodeGen/Mips/msa/3r_4r_widen.ll
+++ b/test/CodeGen/Mips/msa/3r_4r_widen.ll
@@ -1,3 +1,7 @@
+; Test the MSA intrinsics that are encoded with the 3R instruction format and
+; use the result as a third operand and results in wider elements than the
+; operands had.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_dpadd_s_h_ARG1 = global <8 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>, align 16
diff --git a/test/CodeGen/Mips/msa/3r_splat.ll b/test/CodeGen/Mips/msa/3r_splat.ll
index dad61eb..001f723 100644
--- a/test/CodeGen/Mips/msa/3r_splat.ll
+++ b/test/CodeGen/Mips/msa/3r_splat.ll
@@ -1,3 +1,6 @@
+; Test the MSA splat intrinsics that are encoded with the 3R instruction
+; format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_splat_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/3rf.ll b/test/CodeGen/Mips/msa/3rf.ll
index e2d5a20..265c8fb 100644
--- a/test/CodeGen/Mips/msa/3rf.ll
+++ b/test/CodeGen/Mips/msa/3rf.ll
@@ -1,3 +1,5 @@
+; Test the MSA intrinsics that are encoded with the 3RF instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_fadd_w_ARG1 = global <4 x float> <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/3rf_4rf.ll b/test/CodeGen/Mips/msa/3rf_4rf.ll
index cef38fd..913fe70 100644
--- a/test/CodeGen/Mips/msa/3rf_4rf.ll
+++ b/test/CodeGen/Mips/msa/3rf_4rf.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3RF instruction format and
+; use the result as a third operand.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_fmadd_w_ARG1 = global <4 x float> <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/3rf_4rf_q.ll b/test/CodeGen/Mips/msa/3rf_4rf_q.ll
index b490e18..4fbc69d 100644
--- a/test/CodeGen/Mips/msa/3rf_4rf_q.ll
+++ b/test/CodeGen/Mips/msa/3rf_4rf_q.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3RF instruction format and
+; use the result as a third operand and perform fixed-point operations.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_madd_q_h_ARG1 = global <8 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>, align 16
diff --git a/test/CodeGen/Mips/msa/3rf_exdo.ll b/test/CodeGen/Mips/msa/3rf_exdo.ll
index 45a8011..d5713cb 100644
--- a/test/CodeGen/Mips/msa/3rf_exdo.ll
+++ b/test/CodeGen/Mips/msa/3rf_exdo.ll
@@ -1,3 +1,6 @@
+; Test the MSA floating-point conversion intrinsics that are encoded with the
+; 3RF instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_fexdo_h_ARG1 = global <4 x float> <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/3rf_float_int.ll b/test/CodeGen/Mips/msa/3rf_float_int.ll
index 6b9998d..6fd46f5 100644
--- a/test/CodeGen/Mips/msa/3rf_float_int.ll
+++ b/test/CodeGen/Mips/msa/3rf_float_int.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3RF instruction format and
+; take an integer as an operand.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_fexp2_w_ARG1 = global <4 x float> <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/3rf_int_float.ll b/test/CodeGen/Mips/msa/3rf_int_float.ll
index 112f117..3d10ad3 100644
--- a/test/CodeGen/Mips/msa/3rf_int_float.ll
+++ b/test/CodeGen/Mips/msa/3rf_int_float.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the 3RF instruction format and
+; produce an integer as a result.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_fceq_w_ARG1 = global <4 x float> <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>, align 16
diff --git a/test/CodeGen/Mips/msa/3rf_q.ll b/test/CodeGen/Mips/msa/3rf_q.ll
index 748fd9c..857ae3f 100644
--- a/test/CodeGen/Mips/msa/3rf_q.ll
+++ b/test/CodeGen/Mips/msa/3rf_q.ll
@@ -1,3 +1,6 @@
+; Test the MSA fixed-point intrinsics that are encoded with the 3RF instruction
+; format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_mul_q_h_ARG1 = global <8 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>, align 16
diff --git a/test/CodeGen/Mips/msa/bit.ll b/test/CodeGen/Mips/msa/bit.ll
index fe36ed7..28bf0e7 100644
--- a/test/CodeGen/Mips/msa/bit.ll
+++ b/test/CodeGen/Mips/msa/bit.ll
@@ -1,3 +1,5 @@
+; Test the MSA intrinsics that are encoded with the BIT instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_sat_s_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/bitcast.ll b/test/CodeGen/Mips/msa/bitcast.ll
index fccdbf6..03195a8 100644
--- a/test/CodeGen/Mips/msa/bitcast.ll
+++ b/test/CodeGen/Mips/msa/bitcast.ll
@@ -1,3 +1,5 @@
+; Test the bitcast operation for big-endian and little-endian.
+
; RUN: llc -march=mipsel -mattr=+msa < %s | FileCheck -check-prefix=LITENDIAN %s
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck -check-prefix=BIGENDIAN %s
diff --git a/test/CodeGen/Mips/msa/elm_copy.ll b/test/CodeGen/Mips/msa/elm_copy.ll
index f31bb50..a966043 100644
--- a/test/CodeGen/Mips/msa/elm_copy.ll
+++ b/test/CodeGen/Mips/msa/elm_copy.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the ELM instruction format and
+; are element extraction operations.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_copy_s_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/elm_insv.ll b/test/CodeGen/Mips/msa/elm_insv.ll
index be0b5c4..eb7dbf5 100644
--- a/test/CodeGen/Mips/msa/elm_insv.ll
+++ b/test/CodeGen/Mips/msa/elm_insv.ll
@@ -1,8 +1,8 @@
-; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
-;
; Test the MSA element insertion intrinsics that are encoded with the ELM
; instruction format.
+; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
+
@llvm_mips_insert_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_insert_b_ARG3 = global i32 27, align 16
@llvm_mips_insert_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
diff --git a/test/CodeGen/Mips/msa/elm_shift_slide.ll b/test/CodeGen/Mips/msa/elm_shift_slide.ll
index 5bddeaf..2568ba0 100644
--- a/test/CodeGen/Mips/msa/elm_shift_slide.ll
+++ b/test/CodeGen/Mips/msa/elm_shift_slide.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the ELM instruction format and
+; are either shifts or slides.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_sldi_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/i5-a.ll b/test/CodeGen/Mips/msa/i5-a.ll
index fe93534..f158494 100644
--- a/test/CodeGen/Mips/msa/i5-a.ll
+++ b/test/CodeGen/Mips/msa/i5-a.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the I5 instruction format.
+; There are lots of these so this covers those beginning with 'a'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_addvi_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/i5-b.ll b/test/CodeGen/Mips/msa/i5-b.ll
index 87d4527..165c9a4 100644
--- a/test/CodeGen/Mips/msa/i5-b.ll
+++ b/test/CodeGen/Mips/msa/i5-b.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the I5 instruction format.
+; There are lots of these so this covers those beginning with 'b'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_bclri_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/i5-c.ll b/test/CodeGen/Mips/msa/i5-c.ll
index 5e9eed8..e9ebee4 100644
--- a/test/CodeGen/Mips/msa/i5-c.ll
+++ b/test/CodeGen/Mips/msa/i5-c.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the I5 instruction format.
+; There are lots of these so this covers those beginning with 'c'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_ceqi_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/i5-m.ll b/test/CodeGen/Mips/msa/i5-m.ll
index 9e35848..a467719 100644
--- a/test/CodeGen/Mips/msa/i5-m.ll
+++ b/test/CodeGen/Mips/msa/i5-m.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the I5 instruction format.
+; There are lots of these so this covers those beginning with 'm'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_maxi_s_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/i5-s.ll b/test/CodeGen/Mips/msa/i5-s.ll
index 058e0ed..616085c 100644
--- a/test/CodeGen/Mips/msa/i5-s.ll
+++ b/test/CodeGen/Mips/msa/i5-s.ll
@@ -1,3 +1,6 @@
+; Test the MSA intrinsics that are encoded with the I5 instruction format.
+; There are lots of these so this covers those beginning with 's'
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_subvi_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/i8.ll b/test/CodeGen/Mips/msa/i8.ll
index 5587848..e629b04 100644
--- a/test/CodeGen/Mips/msa/i8.ll
+++ b/test/CodeGen/Mips/msa/i8.ll
@@ -1,3 +1,5 @@
+; Test the MSA intrinsics that are encoded with the I8 instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
@llvm_mips_andi_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
diff --git a/test/CodeGen/Mips/msa/spill.ll b/test/CodeGen/Mips/msa/spill.ll
index 33f4a44..5c927bf 100644
--- a/test/CodeGen/Mips/msa/spill.ll
+++ b/test/CodeGen/Mips/msa/spill.ll
@@ -1,3 +1,6 @@
+; Test that the correct instruction is chosen for spill and reload by trying
+; to have 33 live MSA registers simultaneously
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck %s
define i32 @test_i8(<16 x i8>* %p0, <16 x i8>* %q1) nounwind {
diff --git a/test/CodeGen/Mips/msa/vec.ll b/test/CodeGen/Mips/msa/vec.ll
index eb293e8..13a23fa 100644
--- a/test/CodeGen/Mips/msa/vec.ll
+++ b/test/CodeGen/Mips/msa/vec.ll
@@ -1,7 +1,7 @@
+; Test the MSA intrinsics that are encoded with the VEC instruction format.
+
; RUN: llc -march=mips -mattr=+msa < %s | FileCheck -check-prefix=ANYENDIAN %s
; RUN: llc -march=mipsel -mattr=+msa < %s | FileCheck -check-prefix=ANYENDIAN %s
-;
-; Test the MSA intrinsics that are encoded with the VEC instruction format.
@llvm_mips_and_v_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_and_v_b_ARG2 = global <16 x i8> <i8 16, i8 17, i8 18, i8 19, i8 20, i8 21, i8 22, i8 23, i8 24, i8 25, i8 26, i8 27, i8 28, i8 29, i8 30, i8 31>, align 16