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authorEvan Cheng <evan.cheng@apple.com>2008-07-25 00:55:17 +0000
committerEvan Cheng <evan.cheng@apple.com>2008-07-25 00:55:17 +0000
commitd1b3da621bf5134d304d02177a2c6ff912b0d18e (patch)
treeb5168241bc513f115689f339cbe655823f1ca516
parent922b3d2e67063532c3a2620aba84ef29d08c3f75 (diff)
Teach ARM isLegalAddressingMode to handle unknown type without crashing. This fixes pr2589.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54004 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/ARM/ARMISelLowering.cpp2
-rw-r--r--test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll9
2 files changed, 10 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 15c225aebe..afc7ebc4c9 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1598,7 +1598,7 @@ static bool isLegalAddressImmediate(int64_t V, MVT VT,
/// by AM is legal for this target, for a load/store of the specified type.
bool ARMTargetLowering::isLegalAddressingMode(const AddrMode &AM,
const Type *Ty) const {
- if (!isLegalAddressImmediate(AM.BaseOffs, getValueType(Ty), Subtarget))
+ if (!isLegalAddressImmediate(AM.BaseOffs, getValueType(Ty, true), Subtarget))
return false;
// Can never fold addr of global into load/store.
diff --git a/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll b/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll
new file mode 100644
index 0000000000..6ea75eb5c7
--- /dev/null
+++ b/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -march=arm
+; PR2589
+
+define void @main({ i32 }*) {
+entry:
+ %sret1 = alloca { i32 } ; <{ i32 }*> [#uses=1]
+ load { i32 }* %sret1 ; <{ i32 }>:1 [#uses=0]
+ ret void
+}