llvm-6502/test/Transforms/SimplifyLibCalls/MemSet.ll

; Test that the LLVMMemSetOptimizer works correctly
; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | llvm-dis | \
; RUN:   not grep {call.*llvm.memset}
; END.

declare void %llvm.memset.i32(sbyte*,ubyte,uint,uint)

implementation   ; Functions:

int %main () {
  %target = alloca [1024 x sbyte]
  %target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0
  call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 0, uint 1)
  call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 1, uint 1)
  call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 2, uint 2)
  call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 4, uint 4)
  call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 8, uint 8)
  ret int 0
}