diff options
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 2 | ||||
| -rw-r--r-- | test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index c8d03be..efcd8e3 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -7582,7 +7582,7 @@ static unsigned GetOrEnforceKnownAlignment(Value *V, TargetData *TD, unsigned PrefAlign = 0) { if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) { unsigned Align = GV->getAlignment(); - if (Align == 0 && TD && !isa<OpaqueType>(GV->getType()->getElementType())) + if (Align == 0 && TD && GV->getType()->getElementType()->isSized()) Align = TD->getPrefTypeAlignment(GV->getType()->getElementType()); // If there is a large requested alignment and we can, bump up the alignment diff --git a/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll b/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll index 61e67ad1..f3caf07 100644 --- a/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll +++ b/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll @@ -6,12 +6,15 @@ target triple = "i686-pc-linux-gnu" %opaque_t = type opaque +%op_ts = type {opaque, i32} + @g = external global %opaque_t +@h = external global %op_ts define i32 @foo() { entry: %x = load i8* bitcast (%opaque_t* @g to i8*) - %y = load i32* bitcast (%opaque_t* @g to i32*) + %y = load i32* bitcast (%op_ts* @h to i32*) %z = zext i8 %x to i32 %r = add i32 %y, %z ret i32 %r |