aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen
diff options
context:
space:
mode:
authorBill Wendling <isanbard@gmail.com>2013-11-26 11:17:57 +0000
committerBill Wendling <isanbard@gmail.com>2013-11-26 11:17:57 +0000
commitd6b15c9d887dfc418c50db34c053a977c8d309b5 (patch)
treec580e912b7d5f7d6f0fc82223e751c0f169db1ab /test/CodeGen
parent9f71b97c0cd7ff930164fafe8d6d5b5a9b871c86 (diff)
downloadexternal_llvm-d6b15c9d887dfc418c50db34c053a977c8d309b5.zip
external_llvm-d6b15c9d887dfc418c50db34c053a977c8d309b5.tar.gz
external_llvm-d6b15c9d887dfc418c50db34c053a977c8d309b5.tar.bz2
Merging r195469:
------------------------------------------------------------------------ r195469 | dsanders | 2013-11-22 07:47:18 -0800 (Fri, 22 Nov 2013) | 4 lines [mips][msa] Add test case that should have been added in r195456. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195744 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
-rw-r--r--test/CodeGen/Mips/msa/llvm-stress-s2090927243-simplified.ll31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/msa/llvm-stress-s2090927243-simplified.ll b/test/CodeGen/Mips/msa/llvm-stress-s2090927243-simplified.ll
new file mode 100644
index 0000000..3811314
--- /dev/null
+++ b/test/CodeGen/Mips/msa/llvm-stress-s2090927243-simplified.ll
@@ -0,0 +1,31 @@
+; RUN: llc -march=mips < %s
+; RUN: llc -march=mips -mattr=+msa,+fp64 < %s
+; RUN: llc -march=mipsel < %s
+; RUN: llc -march=mipsel -mattr=+msa,+fp64 < %s
+
+; This test originally failed for MSA with a "Cannot select ..." error.
+; This was because undef's are ignored when checking if a vector constant is a
+; splat, but are legalized to zero if left in the DAG which changes the constant
+; into a non-splat.
+;
+; It should at least successfully build.
+
+define void @autogen_SD2090927243() {
+BB:
+ br label %CF77
+
+CF77: ; preds = %CF77, %CF80
+ %Shuff27 = shufflevector <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>,
+ <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>,
+ <16 x i32> <i32 27, i32 29, i32 31, i32 1, i32 3, i32 5, i32 undef, i32 9, i32 11, i32 13, i32 undef, i32 17, i32 19, i32 21, i32 23, i32 undef>
+ %ZE30 = zext <16 x i8> %Shuff27 to <16 x i32>
+ %Cmp32 = fcmp ueq float undef, 0x3CDA6E5E40000000
+ br i1 %Cmp32, label %CF77, label %CF
+
+CF: ; preds = %CF, %CF81
+ %E48 = extractelement <16 x i32> %ZE30, i32 14
+ br i1 undef, label %CF, label %CF78
+
+CF78: ; preds = %CF
+ ret void
+}