GlobalISel: stop the legalizer from trying to handle oddly-sized types.

It'll almost immediately fail because it always tries to half/double the size
until it finds a legal one. Unfortunately, this triggers an assertion
preventing the DAG fallback from being possible.

llvm-svn: 288834

1 files changed, 8 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll b/llvm/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll
index e7b1f04e03b..304cd5eccc2 100644
--- a/llvm/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll
+++ b/llvm/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll
@@ -42,6 +42,7 @@ define [1 x double] @constant() {
   ; PHI. If so, we cannot complete the G_PHI and mustn't try or bad things
   ; happen.
 ; FALLBACK-WITH-REPORT-ERR: warning: Instruction selection used fallback path for pending_phis
+; FALLBACK-WITH-REPORT-OUT-LABEL: pending_phis:
 define i32 @pending_phis(i1 %tst, i32 %val, i32* %addr) {
   br i1 %tst, label %true, label %false
 
@@ -57,3 +58,10 @@ false:
   br label %end
 
 }
+
+; FALLBACK-WITH-REPORT-ERR: warning: Instruction selection used fallback path for odd_type
+; FALLBACK-WITH-REPORT-OUT-LABEL: odd_type:
+define void @odd_type(i42* %addr) {
+  %val42 = load i42, i42* %addr
+  ret void
+}