diff options
| -rw-r--r-- | llvm/lib/Transforms/Utils/FunctionComparator.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/Transforms/MergeFunc/inline-asm.ll | 53 |
2 files changed, 54 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/FunctionComparator.cpp b/llvm/lib/Transforms/Utils/FunctionComparator.cpp index bddcbd86e914..75539428b688 100644 --- a/llvm/lib/Transforms/Utils/FunctionComparator.cpp +++ b/llvm/lib/Transforms/Utils/FunctionComparator.cpp @@ -710,7 +710,7 @@ int FunctionComparator::cmpInlineAsm(const InlineAsm *L, return Res; if (int Res = cmpNumbers(L->getDialect(), R->getDialect())) return Res; - llvm_unreachable("InlineAsm blocks were not uniqued."); + assert(L->getFunctionType() != R->getFunctionType()); return 0; } diff --git a/llvm/test/Transforms/MergeFunc/inline-asm.ll b/llvm/test/Transforms/MergeFunc/inline-asm.ll new file mode 100644 index 000000000000..370d3c56f060 --- /dev/null +++ b/llvm/test/Transforms/MergeFunc/inline-asm.ll @@ -0,0 +1,53 @@ +; RUN: opt -mergefunc -S < %s | FileCheck %s + +; CHECK-LABEL: @int_ptr_arg_different +; CHECK-NEXT: call void asm + +; CHECK-LABEL: @int_ptr_arg_same +; CHECK-NEXT: %2 = bitcast i32* %0 to float* +; CHECK-NEXT: tail call void @float_ptr_arg_same(float* %2) + +; CHECK-LABEL: @int_ptr_null +; CHECK-NEXT: tail call void @float_ptr_null() + +; Used to satisfy minimum size limit +declare void @stuff() + +; Can be merged +define void @float_ptr_null() { + call void asm "nop", "r"(float* null) + call void @stuff() + ret void +} + +define void @int_ptr_null() { + call void asm "nop", "r"(i32* null) + call void @stuff() + ret void +} + +; Can be merged (uses same argument differing by pointer type) +define void @float_ptr_arg_same(float*) { + call void asm "nop", "r"(float* %0) + call void @stuff() + ret void +} + +define void @int_ptr_arg_same(i32*) { + call void asm "nop", "r"(i32* %0) + call void @stuff() + ret void +} + +; Can not be merged (uses different arguments) +define void @float_ptr_arg_different(float*, float*) { + call void asm "nop", "r"(float* %0) + call void @stuff() + ret void +} + +define void @int_ptr_arg_different(i32*, i32*) { + call void asm "nop", "r"(i32* %1) + call void @stuff() + ret void +} |