[Hexagon] Report error instead of crashing on wrong inline-asm constraints

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316236 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 0 deletions

diff --git a/test/CodeGen/Hexagon/inline-asm-bad-constraint.ll b/test/CodeGen/Hexagon/inline-asm-bad-constraint.ll
new file mode 100644
index 00000000000..2c4e3f4ae4a
--- /dev/null
+++ b/test/CodeGen/Hexagon/inline-asm-bad-constraint.ll
@@ -0,0 +1,16 @@
+; RUN: not llc -march=hexagon < %s 2>&1 | FileCheck %s
+
+; CHECK: error: couldn't allocate output register for constraint 'r'
+
+target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
+target triple = "hexagon"
+
+define void @fred() #0 {
+entry:
+  %a0 = alloca <16 x i32>, align 64
+  %0 = call <16 x i32> asm sideeffect "$0 = vmem(r0)", "=r"()
+  store <16 x i32> %0, <16 x i32>* %a0, align 64
+  ret void
+}
+
+attributes #0 = { noinline nounwind }