[X86] Add v2i2 test case (PR20011)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312873 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/pr20011.ll b/test/CodeGen/X86/pr20011.ll
new file mode 100644 (file)
index 0000000..c1df892
--- /dev/null
+++ b/test/CodeGen/X86/pr20011.ll
@@ -0,0 +1,33 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefix=X86
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X64
+
+%destTy = type { i2, i2 }
+
+define void @crash(i64 %x0, i64 %y0, %destTy* nocapture %dest) nounwind {
+; X86-LABEL: crash:
+; X86:       # BB#0:
+; X86-NEXT:    movb {{[0-9]+}}(%esp), %al
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    movb {{[0-9]+}}(%esp), %dl
+; X86-NEXT:    andb $3, %dl
+; X86-NEXT:    movb %dl, (%ecx)
+; X86-NEXT:    andb $3, %al
+; X86-NEXT:    movb %al, (%ecx)
+; X86-NEXT:    retl
+;
+; X64-LABEL: crash:
+; X64:       # BB#0:
+; X64-NEXT:    andl $3, %esi
+; X64-NEXT:    movb %sil, (%rdx)
+; X64-NEXT:    andl $3, %edi
+; X64-NEXT:    movb %dil, (%rdx)
+; X64-NEXT:    retq
+  %x1 = trunc i64 %x0 to i2
+  %y1 = trunc i64 %y0 to i2
+  %1 = bitcast %destTy* %dest to <2 x i2>*
+  %2 = insertelement <2 x i2> undef, i2 %x1, i32 0
+  %3 = insertelement <2 x i2> %2, i2 %y1, i32 1
+  store <2 x i2> %3, <2 x i2>* %1, align 1
+  ret void
+}